EP1170095A2 - Elektrohandwerkzeuggerät mit Leerschlagsabschaltung - Google Patents
Elektrohandwerkzeuggerät mit Leerschlagsabschaltung Download PDFInfo
- Publication number
- EP1170095A2 EP1170095A2 EP01810614A EP01810614A EP1170095A2 EP 1170095 A2 EP1170095 A2 EP 1170095A2 EP 01810614 A EP01810614 A EP 01810614A EP 01810614 A EP01810614 A EP 01810614A EP 1170095 A2 EP1170095 A2 EP 1170095A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric hand
- sensor
- hand tool
- tool device
- tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
- B25D2211/003—Crossed drill and motor spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
- B25D2211/06—Means for driving the impulse member
- B25D2211/068—Crank-actuated impulse-driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/131—Idling mode of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/221—Sensors
Definitions
- the invention relates to an at least partially striking electric hand tool device, For example, a hammer drill or a chisel hammer, with a blank stop switch pneumatic hammer mechanism.
- the drive of the striking mechanism is used to switch off the empty stroke automatically interrupted via a clutch when the tool is in an axial empty position which is measured with a sensor and with a control unit is evaluated.
- a disadvantage of such a solution is the coupling required for this.
- the axial position of the tool, the striking tool or the Percussion mechanism scanned with a sensor and this information with a control unit evaluated, which in the event of an empty stroke, the speed of the excitation drive to a Reduced speed previously determined.
- the invention therefore acts according to the polluter pays principle at the constant speed of the exciter drive, which is the cause of empty strokes.
- a sufficiently reduced speed of the exciter drive conditionally forms Ventilation openings no longer expel pressure differential accelerating the flying piston, which means that no further blows to the die and tool are generated.
- To the speed of the excitation drive is reduced to 10% to 50% of the working speed.
- the sensor is advantageously designed as an inductive or capacitive sensor, which is direct responsive to the axial position of the tool, the striking tool or the striking mechanism.
- the senor is designed as a Hall sensor, which is relative to it Movable magnet is assigned, which with an the axial position of the tool, the striker or the striking actuator is connected.
- This actuator is advantageously fork-shaped axially engaging in the die, and attached to the outer circumference of the anvil, for example with a light aluminum ring.
- the advantageously consists of a lightweight, highly rigid fiber-reinforced plastic actuator a small magnet, which together with the striker passes the Hall sensor emotional.
- the exciter drive is advantageously designed as an electric motor, the motor speed of which Control unit on the engine electronics is electronically degradable.
- Fig. 1 as an electric hand tool device with blank shutdown.
- an electric hand tool device 1 has a pneumatic hammer mechanism 2 an exciter drive 3, an exciter piston 4, a gas spring 5, a flying piston 6 and a striker 7, which in the part of FIG. 1 shown below a striking axis A. to a housing 8 an empty position 9 and in above the stroke axis A. shown part of FIG. 1 is a working position 10 of a not fully shown Tool 11, the anvil 7 and the flying piston 6.
- the striker 7 is a axially movable actuator 12 is positively connected, which has a magnet 13 which is assigned to a Hall sensor 14 fastened in the housing 8.
- the Hall sensor 14 is electrical with a control unit 15 and this with motor electronics 16 an electric motor 17 connected.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims (7)
- Elektrohandwerkzeuggerät zur Erzeugung einer zumindest teilweise schlagenden Bewegung eines Werkzeugs (11) mit einem pneumatischen Schlagwerk (2) und einer Leerschlagabschaltung des Schlages bei fehlendem axialen Gegendruck über das Werkzeug (11), wobei sich im Falle des Leerschlags ein Flugkolben (6), ein optionaler Döpper (7) und das optional aufgenommene Werkzeug (11) in einer Leerschlagposition (9) befindet, welche von einem Sensor (14) abgetastet und mit einer zugeordneten Kontrolleinheit (15) ausgewertet wird, dadurch gekennzeichnet, dass im Falle eines Leerschlags von der Kontrolleinheit (15) die Drehzahl eines Erregerantriebs (3) auf eine vorher festgelegte Drehzahl absenkbar ist.
- Elektrohandwerkzeuggerät nach Anspruch 1, dadurch gekennzeichnet, dass der Sensor (14) die Leerschlagposition (9) des Werkzeugs (11) oder alternativ des Döppers (7) oder alternativ des Flugkolbens (6) abtastet.
- Elektrohandwerkzeuggerät nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass der Sensor (14) als induktiver oder kapazitiver Sensor ausgeführt ist.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Sensor (14) als Hall-Sensor mit einem relativ zu diesem bewegbaren Magneten (13) ausgeführt ist.
- Elektrohandwerkzeuggerät nach Anspruch 4, dadurch gekennzeichnet, dass der Magnet (13) mit einem Stellglied (12) verbunden ist, welcher die Leerschlagposition (9) des Werkzeugs (11) oder alternativ des Döppers (7) oder alternativ des Flugkolbens (5) abtastet.
- Elektrohandwerkzeuggerät nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Erregerantrieb (3) über eine Motorelektronik (16) eines Elektromotors (17) steuerbar ist.
- Elektrohandwerkzeuggerät nach Anspruch 6, dadurch gekennzeichnet, dass der Erregerantrieb (3) und ein optionaler Drehantrieb Teil eines von einem gemeinsamen Elektromotor (17) angetriebenen Getriebes ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10033362 | 2000-07-08 | ||
DE10033362A DE10033362A1 (de) | 2000-07-08 | 2000-07-08 | Elektrohandwerkzeug mit Leerschlagabschaltung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1170095A2 true EP1170095A2 (de) | 2002-01-09 |
EP1170095A3 EP1170095A3 (de) | 2003-10-29 |
EP1170095B1 EP1170095B1 (de) | 2005-02-09 |
Family
ID=7648331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01810614A Expired - Lifetime EP1170095B1 (de) | 2000-07-08 | 2001-06-25 | Elektrohandwerkzeuggerät mit Leerschlagsabschaltung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6484814B2 (de) |
EP (1) | EP1170095B1 (de) |
JP (1) | JP5086505B2 (de) |
CN (1) | CN1217770C (de) |
AU (1) | AU5193901A (de) |
DE (2) | DE10033362A1 (de) |
ZA (1) | ZA200105554B (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1832394A1 (de) * | 2006-03-07 | 2007-09-12 | Hitachi Koki Co., Ltd. | Schlagwerkzeug mit Mechanismus zur Vibrationskontrolle |
EP2213420A1 (de) * | 2009-01-30 | 2010-08-04 | HILTI Aktiengesellschaft | Steuerungsverfahren und Handwerkzeugmaschine |
WO2013139425A1 (de) | 2012-03-21 | 2013-09-26 | Wacker Neuson Produktion GmbH & Co. KG | Bohr- und/oder schlaghammer mit belastungsabhängiger anpassung der schlagfrequenz |
CN104334318A (zh) * | 2012-05-25 | 2015-02-04 | 罗伯特·博世有限公司 | 冲击机构单元 |
CN104406637A (zh) * | 2014-12-05 | 2015-03-11 | 浙江省质量检测科学研究院 | 手持式电动工具安规快速检查方法 |
EP3009236A1 (de) | 2014-10-16 | 2016-04-20 | HILTI Aktiengesellschaft | Meisselnde Handwerkzeugmaschine |
Families Citing this family (58)
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DE10117121A1 (de) * | 2001-04-06 | 2002-10-17 | Bosch Gmbh Robert | Handwerkzeugmaschine |
DE10136515C2 (de) * | 2001-07-26 | 2003-10-23 | Wacker Construction Equipment | Bohr- und/oder Schlaghammer mit Handgriff |
DE10145464C2 (de) * | 2001-09-14 | 2003-08-28 | Wacker Construction Equipment | Bohr- und/oder Schlaghammer mit anpressdruckabhängiger Leerlaufsteuerung |
DE10212064B4 (de) | 2002-03-19 | 2008-08-21 | Robert Bosch Gmbh | Betriebssteuerung für eine Handwerkzeugmaschine |
DE10216051A1 (de) * | 2002-04-11 | 2003-10-23 | Hilti Ag | Pneumatisches Schlagwerk |
US20050087352A1 (en) * | 2002-07-04 | 2005-04-28 | Atlas Copco Electric Tools Gmbh | Portable Tool |
DE10240361A1 (de) * | 2002-09-02 | 2004-03-11 | Hilti Ag | Drehende und schlagende Elektrohandwerkzeugmaschine |
DE10259566A1 (de) * | 2002-12-19 | 2004-07-01 | Hilti Ag | Schlagende Elektrohandwerkzeugmaschine |
JP4270887B2 (ja) * | 2003-01-10 | 2009-06-03 | 株式会社マキタ | 電動往復動式工具 |
DE10302089B3 (de) * | 2003-01-17 | 2004-10-14 | Hilti Ag | Schlagende Elektrohandwerkzeugmaschine mit einem Piezoaktor |
DE10309012B3 (de) * | 2003-03-01 | 2004-08-12 | Hilti Ag | Steuerverfahren einer axial schlagenden und drehenden Elektrohandwerkzeugmaschine |
JP4179159B2 (ja) * | 2003-12-18 | 2008-11-12 | 日立工機株式会社 | 打撃工具 |
EP1607186A1 (de) * | 2004-06-18 | 2005-12-21 | HILTI Aktiengesellschaft | Elektropneumatischer Bohr-/Meisselhammer mit veränderbarer Schlagenergie |
DE102004031628A1 (de) * | 2004-06-30 | 2006-02-02 | Robert Bosch Gmbh | Vorrichtung mit einer Innenschale und einer Außenschale eines Gehäuses einer Handwerkzeugmaschine |
EP1674213B1 (de) * | 2004-12-23 | 2008-10-01 | BLACK & DECKER INC. | Kraftwerkzeug mit Kühlvorrichtung |
EP1674214B1 (de) * | 2004-12-23 | 2008-05-28 | BLACK & DECKER INC. | Kraftwerkzeuggehäuse |
EP1674211A1 (de) * | 2004-12-23 | 2006-06-28 | BLACK & DECKER INC. | Gehäuse für ein kraftgetriebenes Werkzeug |
DE602006015661D1 (de) | 2005-06-28 | 2010-09-02 | Stryker Corp | Angetriebenes chirurgisches werkzeug mit kontrollmodul und einem sensor zur fernüberwachung des stromerzeugungsaggregats für das werkzeug |
AU2016204090B2 (en) * | 2005-06-28 | 2018-02-01 | Stryker Corporation | Control assembly for a powered surgical tool with an electric motor, the assembly including an isolated rotor position sensor |
AU2013200487B2 (en) * | 2005-06-28 | 2016-03-17 | Stryker Corporation | Motorized surgical tool with a control circuit and a rotor orientation sensor that are isolated from the tool motor |
JP4400519B2 (ja) * | 2005-06-30 | 2010-01-20 | パナソニック電工株式会社 | インパクト回転工具 |
GB2433716A (en) * | 2005-12-29 | 2007-07-04 | Bosch Gmbh Robert | Hammer drill and/or hammer chisel with bevel gear |
DE102007000081A1 (de) * | 2007-02-08 | 2008-08-21 | Hilti Ag | Handwerkzeugmaschine mit pneumatischem Schlagwerk |
JP5050667B2 (ja) * | 2007-06-05 | 2012-10-17 | マックス株式会社 | 打撃工具 |
US9216502B2 (en) | 2008-04-03 | 2015-12-22 | Black & Decker Inc. | Multi-stranded return spring for fastening tool |
US8534527B2 (en) | 2008-04-03 | 2013-09-17 | Black & Decker Inc. | Cordless framing nailer |
EP3649969A1 (de) | 2008-06-26 | 2020-05-13 | Smart Medical Devices, Inc. | Tiefensteuerbare und -messbare medizinische antriebsvorrichtungen |
FR2935496B1 (fr) * | 2008-08-29 | 2014-05-16 | Pellenc Sa | Procede permettant l'arret des outils portatifs lors de mouvements brusques imprevus, et outils portatifs en faisant application |
DE102009029055A1 (de) | 2009-09-01 | 2011-03-10 | Robert Bosch Gmbh | Bohr- und/oder Meißelhammervorrichtung |
DE102010001967A1 (de) * | 2010-02-16 | 2011-08-18 | Robert Bosch GmbH, 70469 | Bedienelement für Handwerkzeugmaschine |
WO2011123703A1 (en) * | 2010-03-31 | 2011-10-06 | Smart Medical Devices, Inc. | Depth controllable and measurable medical driver devices |
DE102010030055A1 (de) * | 2010-06-15 | 2011-12-15 | Hilti Aktiengesellschaft | Elektrisch betreibbares Bolzensetzgerät und Verfahren zum Betreiben des Bolzensetzgerätes |
DE102010043032A1 (de) * | 2010-10-28 | 2012-05-03 | Hilti Aktiengesellschaft | Steuerungsverfahren für eine Werkzeugmaschine und eine Werkzeugmaschine |
JP5896143B2 (ja) * | 2012-03-29 | 2016-03-30 | 日立工機株式会社 | 電動工具 |
JP5935983B2 (ja) * | 2012-03-29 | 2016-06-15 | 日立工機株式会社 | 電動工具 |
DE102012208855A1 (de) * | 2012-05-25 | 2013-11-28 | Robert Bosch Gmbh | Handwerkzeugmaschine |
CN104334317A (zh) * | 2012-05-25 | 2015-02-04 | 罗伯特·博世有限公司 | 冲击机构单元 |
DE102012208870A1 (de) * | 2012-05-25 | 2013-11-28 | Robert Bosch Gmbh | Schlagwerkeinheit |
DE102012208913A1 (de) * | 2012-05-25 | 2013-11-28 | Robert Bosch Gmbh | Schlagwerkeinheit |
US9346158B2 (en) | 2012-09-20 | 2016-05-24 | Black & Decker Inc. | Magnetic profile lifter |
US9399281B2 (en) | 2012-09-20 | 2016-07-26 | Black & Decker Inc. | Stall release lever for fastening tool |
EP2871029B1 (de) * | 2013-11-09 | 2023-09-20 | Illinois Tool Works Inc. | Verfahren zum betreiben einer tragbaren elektrischen werkzeugmaschine und tragbare elektrische werkzeugmaschine |
JP6331082B2 (ja) * | 2014-05-30 | 2018-05-30 | 日立工機株式会社 | 電動工具 |
EP3023200A1 (de) * | 2014-11-20 | 2016-05-25 | HILTI Aktiengesellschaft | Steuerungsverfahren für einen Bohrhammer |
EP3034242A1 (de) | 2014-12-18 | 2016-06-22 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
US10821308B1 (en) * | 2015-09-21 | 2020-11-03 | David Krumrei | Battering ram |
AU2017217864B2 (en) | 2016-02-12 | 2023-04-27 | Quartus Engineering, Inc. | Driving devices and methods for determining material strength in real-time |
ES2913931T3 (es) * | 2016-02-25 | 2022-06-06 | Milwaukee Electric Tool Corp | Herramienta eléctrica que incluye un sensor de posición de salida |
JP6863705B2 (ja) * | 2016-10-07 | 2021-04-21 | 株式会社マキタ | 電動工具 |
JP6981744B2 (ja) | 2016-10-07 | 2021-12-17 | 株式会社マキタ | ハンマドリル |
JP6757226B2 (ja) | 2016-10-07 | 2020-09-16 | 株式会社マキタ | 電動工具 |
US10723005B2 (en) | 2018-03-28 | 2020-07-28 | Black & Decker Inc. | Electric fastener driving tool assembly including a driver home position sensor |
JP2020157423A (ja) * | 2019-03-26 | 2020-10-01 | 株式会社マキタ | 集塵システム |
WO2021202968A1 (en) * | 2020-04-02 | 2021-10-07 | Milwaukee Electric Tool Corporation | Power tool |
DE102020206450A1 (de) * | 2020-05-25 | 2021-11-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Handwerkzeugmaschine |
US11819989B2 (en) | 2020-07-07 | 2023-11-21 | Techtronic Cordless Gp | Powered fastener driver |
US11951596B2 (en) | 2020-08-05 | 2024-04-09 | Milwaukee Electric Tool Corporation | Rotary impact tool |
CA3167425A1 (en) | 2021-07-16 | 2023-01-16 | Techtronic Cordless Gp | Powered fastener driver |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1988006508A2 (fr) * | 1987-03-05 | 1988-09-07 | Robert Bosch Gmbh | Procede d'interruption de l'entrainement, en particulier en percussion et/ou en rotation, d'un outil a main |
US5806609A (en) * | 1995-03-24 | 1998-09-15 | Hilti Aktiengesellschaft | Manually operable tool for drilling and/or removing material in brittle and/or low ductile material |
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JPS61164785A (ja) * | 1985-01-11 | 1986-07-25 | 日立工機株式会社 | 電気ハンマ・ハンマドリル |
JP2533769B2 (ja) * | 1987-03-23 | 1996-09-11 | 松下電工株式会社 | ハンマ−ドリル |
US5170358A (en) * | 1990-12-06 | 1992-12-08 | Manufacturing Laboratories, Inc. | Method of controlling chatter in a machine tool |
JPH055603A (ja) * | 1991-06-27 | 1993-01-14 | Mazda Motor Corp | ピストンのストローク検出装置 |
DE4239294A1 (de) * | 1992-11-23 | 1994-05-26 | Black & Decker Inc | Bohrhammer mit pneumatischem Schlagwerk |
JP3292969B2 (ja) * | 1995-08-18 | 2002-06-17 | 株式会社マキタ | ハンマードリル |
DE19534850A1 (de) * | 1995-09-20 | 1997-03-27 | Hilti Ag | Schlagunterstütztes Handbohrgerät |
DE19714288A1 (de) * | 1997-04-07 | 1998-10-08 | Hilti Ag | Bohr- und/oder Meisselgerät |
DE19832946A1 (de) * | 1998-07-22 | 2000-01-27 | Hilti Ag | Handbohrgerät mit drucklufterregtem Schlagwerk |
-
2000
- 2000-07-08 DE DE10033362A patent/DE10033362A1/de not_active Withdrawn
-
2001
- 2001-06-15 AU AU51939/01A patent/AU5193901A/en not_active Abandoned
- 2001-06-25 DE DE50105284T patent/DE50105284D1/de not_active Expired - Lifetime
- 2001-06-25 EP EP01810614A patent/EP1170095B1/de not_active Expired - Lifetime
- 2001-06-29 CN CN01121855XA patent/CN1217770C/zh not_active Expired - Fee Related
- 2001-07-05 JP JP2001204568A patent/JP5086505B2/ja not_active Expired - Fee Related
- 2001-07-05 ZA ZA200105554A patent/ZA200105554B/xx unknown
- 2001-07-06 US US09/900,542 patent/US6484814B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988006508A2 (fr) * | 1987-03-05 | 1988-09-07 | Robert Bosch Gmbh | Procede d'interruption de l'entrainement, en particulier en percussion et/ou en rotation, d'un outil a main |
US5806609A (en) * | 1995-03-24 | 1998-09-15 | Hilti Aktiengesellschaft | Manually operable tool for drilling and/or removing material in brittle and/or low ductile material |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1832394A1 (de) * | 2006-03-07 | 2007-09-12 | Hitachi Koki Co., Ltd. | Schlagwerkzeug mit Mechanismus zur Vibrationskontrolle |
US7513317B2 (en) | 2006-03-07 | 2009-04-07 | Hitachi Koki Co., Ltd. | Impact tool with vibration control mechanism |
EP2213420A1 (de) * | 2009-01-30 | 2010-08-04 | HILTI Aktiengesellschaft | Steuerungsverfahren und Handwerkzeugmaschine |
US8333251B2 (en) | 2009-01-30 | 2012-12-18 | Hilti Aktiengesellschaft | Control method and hand-held power tool |
WO2013139425A1 (de) | 2012-03-21 | 2013-09-26 | Wacker Neuson Produktion GmbH & Co. KG | Bohr- und/oder schlaghammer mit belastungsabhängiger anpassung der schlagfrequenz |
DE102012005803A1 (de) | 2012-03-21 | 2013-09-26 | Wacker Neuson Produktion GmbH & Co. KG | Bohr-und/oder Schlaghammer mit belastungsabhängiger Anpassung der Schlagzahl |
CN104334318A (zh) * | 2012-05-25 | 2015-02-04 | 罗伯特·博世有限公司 | 冲击机构单元 |
EP3009236A1 (de) | 2014-10-16 | 2016-04-20 | HILTI Aktiengesellschaft | Meisselnde Handwerkzeugmaschine |
CN104406637A (zh) * | 2014-12-05 | 2015-03-11 | 浙江省质量检测科学研究院 | 手持式电动工具安规快速检查方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1170095A3 (de) | 2003-10-29 |
AU5193901A (en) | 2002-01-10 |
JP5086505B2 (ja) | 2012-11-28 |
US20020003045A1 (en) | 2002-01-10 |
EP1170095B1 (de) | 2005-02-09 |
DE10033362A1 (de) | 2002-01-17 |
JP2002059376A (ja) | 2002-02-26 |
ZA200105554B (en) | 2002-01-17 |
DE50105284D1 (de) | 2005-03-17 |
US6484814B2 (en) | 2002-11-26 |
CN1217770C (zh) | 2005-09-07 |
CN1332062A (zh) | 2002-01-23 |
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Legal Events
Date | Code | Title | Description |
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