BE457926A - - Google Patents

Info

Publication number: BE457926A
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.)

1946-04-03

Publication of BE457926A publication Critical patent/BE457926A/xx

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)

BE457926D 1946-04-03 BE457926A (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR928726T		1946-04-03

Publications (1)

Publication Number	Publication Date
BE457926A true BE457926A (zh)

Family

ID=9442000

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE457926D BE457926A (zh)	1946-04-03

Country Status (2)

Country	Link
BE (1)	BE457926A (zh)
FR (1)	FR928726A (zh)

0
- BE BE457926D patent/BE457926A/xx unknown
1946
- 1946-04-03 FR FR928726D patent/FR928726A/fr not_active Expired

Also Published As

Publication number	Publication date
FR928726A (fr)	1947-12-05

Similar Documents

Publication	Publication Date	Title
JPS478118A (zh)	1972-04-28
FR958149A (zh)	1950-03-03
FR55275E (zh)	1952-01-09
AT165703B (zh)	1950-04-11
BE463154A (zh)
BE463817A (zh)
NL72119C (zh)
NL130497B (zh)
LU28813A1 (zh)
BE477944A (zh)
BE476605A (zh)
BE471251A (zh)
BE464883A (zh)
BE464875A (zh)
BE464863A (zh)
BE463006A (zh)
BE464737A (zh)
BE464634A (zh)
BE464613A (zh)
BE464529A (zh)
BE464485A (zh)
BE464440A (zh)
BE464439A (zh)
BE464335A (zh)
BE464222A (zh)