CH177616A - Linealbefestigungsvorrichtung an Zeichenmaschinen. - Google Patents
Linealbefestigungsvorrichtung an Zeichenmaschinen.Info
- Publication number
- CH177616A CH177616A CH177616DA CH177616A CH 177616 A CH177616 A CH 177616A CH 177616D A CH177616D A CH 177616DA CH 177616 A CH177616 A CH 177616A
- Authority
- CH
- Switzerland
- Prior art keywords
- fastening device
- drawing machines
- ruler
- ruler fastening
- machines
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/002—Straightedges for drawing boards and tables
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2029899X | 1933-07-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH177616A true CH177616A (de) | 1935-06-15 |
Family
ID=7978772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH177616D CH177616A (de) | 1933-07-17 | 1934-11-12 | Linealbefestigungsvorrichtung an Zeichenmaschinen. |
Country Status (2)
Country | Link |
---|---|
US (1) | US2029899A (de) |
CH (1) | CH177616A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590252A (en) * | 1948-10-30 | 1952-03-25 | Edmund E Hurst | Perspective drafting device |
US3316644A (en) * | 1960-07-18 | 1967-05-02 | Keuffel & Esser Co | Drafting machine |
US3083466A (en) * | 1960-10-25 | 1963-04-02 | Robert T Piper | Scale mounting device |
US3638320A (en) * | 1970-05-22 | 1972-02-01 | Keuffel & Esser Co | Drafting machine scale locking device |
-
1934
- 1934-11-12 CH CH177616D patent/CH177616A/de unknown
- 1934-11-28 US US755241A patent/US2029899A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2029899A (en) | 1936-02-04 |
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