BE636275A - - Google Patents

Info

Publication number: BE636275A
Authority: BE; Belgium

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.)

1963-08-16

Publication of BE636275A publication Critical patent/BE636275A/xx

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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/14—Devices for drawing in perspective
- B43L13/141—Two-dimensional devices

BE636275D 1963-08-16 BE636275A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DET0024508		1963-08-16

Publications (1)

Publication Number	Publication Date
BE636275A true BE636275A (enrdf_load_stackoverflow)

Family

ID=7551495

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE636275D BE636275A (enrdf_load_stackoverflow)	1963-08-16

Country Status (4)

Country	Link
BE (1)	BE636275A (enrdf_load_stackoverflow)
DE (1)	DE1461574A1 (enrdf_load_stackoverflow)
GB (1)	GB1037684A (enrdf_load_stackoverflow)
NL (1)	NL296867A (enrdf_load_stackoverflow)

0
- NL NL296867D patent/NL296867A/xx unknown
- BE BE636275D patent/BE636275A/xx unknown
1963
- 1963-08-16 DE DE19631461574 patent/DE1461574A1/de not_active Withdrawn
- 1963-08-19 GB GB3268763A patent/GB1037684A/en not_active Expired

Also Published As

Publication number	Publication date
NL296867A (enrdf_load_stackoverflow)
DE1461574A1 (de)	1969-03-06
GB1037684A (en)	1966-08-03

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