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1968-12-09 |
1975-01-07 |
Ceskoslovenska Akademie Ved |
Steel composition, particularly for anti-friction bearings
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1970-04-16 |
1975-07-29 |
Republic Steel Corp |
Low carbon steels having cold workability
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1974-04-03 |
1978-08-17 |
Fried. Krupp Huettenwerke Ag, 4630 Bochum |
Use of steel as a material for rails
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1975-08-23 |
1988-02-11 |
Thyssen Edelstahlwerke AG, 4000 Düsseldorf |
Use of a low-alloy tempering steel
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1975-11-04 |
1977-05-31 |
A. Finkl & Sons Company |
Fatigue resistant steel, machinery parts and method of manufacture thereof
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1976-09-20 |
1986-06-23 |
Garphytte Bruk Ab |
VALVE SPRING ROW OF LAYER ALLOY STEEL
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1976-11-26 |
1977-12-27 |
Muller Westley C |
Car retarder shoe structure
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1977-03-29 |
1987-10-22 |
Klöckner-Werke AG, 4100 Duisburg |
Use of low-alloy steels as a material for the production of channel profiles for flexible roadway support in mining operations
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1977-07-02 |
1984-11-08 |
Krupp Stahl Ag, 4630 Bochum |
Process for producing wear-resistant rails and / or wheel materials
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1978-01-09 |
1981-03-17 |
Republic Steel Corporation |
Welded alloy casing
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JPS54148124A
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1978-05-12 |
1979-11-20 |
Nippon Steel Corp |
Manufacture of high strength rall of excellent weldability
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1980-02-15 |
1983-09-20 |
Republic Steel Corporation |
Steel products such as bars, compositionally non-rimming and internally aluminum killed, having good surface condition
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DE3009443C2
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1980-03-12 |
1981-11-19 |
Thyssen Edelstahlwerke AG, 4000 Düsseldorf |
Use of a steel of high strength and toughness
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1981-05-28 |
1982-12-21 |
Titanium Metals Corporation Of America |
Rail wheel alloy
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JPS5827955A
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1981-08-11 |
1983-02-18 |
Aichi Steel Works Ltd |
Spring steel with superior hardenability and wear resistance
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1983-10-04 |
1985-04-25 |
Krupp Stahl Ag, 4630 Bochum |
RAIL WITH HIGH WEAR RESISTANCE IN THE HEAD AND HIGH BREAK PROTECTION IN THE FOOT
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1984-12-21 |
1986-01-02 |
BWG Butzbacher Weichenbau GmbH, 6308 Butzbach |
Process for the heat treatment of pearlitic rail steel
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1986-02-15 |
1987-08-20 |
Thyssen Stahl Ag |
Quenched and tempered steel
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1986-07-05 |
1988-06-23 |
Thyssen Edelstahlwerke Ag |
Microalloyed steels.
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1986-08-14 |
1988-01-14 |
Krupp Stahl Ag |
rail
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1986-08-23 |
1988-03-10 |
Kloeckner Stahl Gmbh |
Denitrated, low-alloyed, high-strength fine-grained structural steel
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AT387049B
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1986-10-29 |
1988-11-25 |
Voest Alpine Ag |
METHOD FOR PRODUCING SOFT HEART PIECES
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1988-12-29 |
1990-04-24 |
National Forge Company |
Khare pipe mold steel
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1989-06-09 |
1993-06-22 |
Thyssen Edelstahlwerke Ag |
Internal combustion engine valve composed of precipitation hardening ferritic-pearlitic steel
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1990-08-03 |
1991-09-11 |
Samsung Heavy Ind |
High toughness non-refined steels and method for manufacturing them
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1992-10-10 |
1996-01-11 |
Gutehoffnungshuette Man |
Heavy-duty full wheels and wheel tires for rail traction vehicles and cars
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1993-06-30 |
1996-06-18 |
Samsung Heavy Industry Co., Ltd. |
High toughness and high strength untempered steel and processing method thereof
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1993-12-20 |
1995-06-29 |
Nippon Steel Corporation |
Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same
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1995-02-21 |
1996-05-14 |
Usx Corporation |
High performance steel strapping for elevated temperature service and method thereof
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1999-11-05 |
2003-04-18 |
Fag Oem & Handel Ag |
WHEEL BANDAGE OR MONOBLOCK WHEEL FOR RAIL GAMES ON RAIL VEHICLES
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2006-12-25 |
2018-01-09 |
Nippon Steel & Sumitomo Metal Corporation |
STRUCTURAL STEEL FOR MACHINES
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2008-06-06 |
2011-01-12 |
住友金属工業株式会社 |
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2016-08-31 |
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The rail of a kind of high-strength, fatigue-resistant function admirable and production method thereof
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2015-12-15 |
2017-11-01 |
Jfeスチール株式会社 |
How to select rail steel and wheel steel
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