NL72217C - - Google Patents

Info

Publication number
NL72217C
NL72217C NL72217DA NL72217C NL 72217 C NL72217 C NL 72217C NL 72217D A NL72217D A NL 72217DA NL 72217 C NL72217 C NL 72217C
Authority
NL
Netherlands
Application number
Priority date (The priority date 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 date listed.)
Publication of NL72217C publication Critical patent/NL72217C/xx

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
    • B43L7/04—Straightedges with rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)
NL72217D 1949-11-14 NL72217C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE683880X 1949-11-14

Publications (1)

Publication Number Publication Date
NL72217C true NL72217C (enrdf_load_stackoverflow)

Family

ID=6597478

Family Applications (2)

Application Number Title Priority Date Filing Date
NL78332D NL78332C (enrdf_load_stackoverflow) 1949-11-14
NL72217D NL72217C (enrdf_load_stackoverflow) 1949-11-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL78332D NL78332C (enrdf_load_stackoverflow) 1949-11-14

Country Status (5)

Country Link
CH (1) CH290612A (enrdf_load_stackoverflow)
DE (1) DE824003C (enrdf_load_stackoverflow)
FR (1) FR1037267A (enrdf_load_stackoverflow)
GB (1) GB683880A (enrdf_load_stackoverflow)
NL (2) NL72217C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1110018A (fr) * 1954-08-23 1956-02-06 Dispositif de règle de bureau
GB2118105B (en) * 1982-04-08 1985-09-04 Graeme Peter Sagar Drawing implements
US4586265A (en) * 1984-10-29 1986-05-06 Hopkins William G Perspective drawing apparatus
GB2180799A (en) * 1985-09-23 1987-04-08 Ahmad Tun Syed Nasir Syed Ruler

Also Published As

Publication number Publication date
DE824003C (de) 1951-10-31
NL78332C (enrdf_load_stackoverflow)
GB683880A (en) 1952-12-03
CH290612A (de) 1953-05-15
FR1037267A (fr) 1953-09-15

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