FR732672A -
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments
- Google Patents
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments
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ROCHAIX
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ROCHAIX
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Publication of FR732672ApublicationCriticalpatent/FR732672A/en
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D12/00—Producing frames
B29D12/02—Spectacle frames
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR732672D1932-03-051932-03-05
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments
ExpiredFR732672A
(en)
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments
Method and apparatus for producing, in a single molding operation, finished plastic frames, spectacles, nose clips, lorgnettes and other optical instruments