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3917766
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Information
Patent Grant
3917766
References
Source
Patent Number
3,917,766
Date Filed
Not available
Date Issued
Tuesday, November 4, 1975
48 years ago
CPC
B29D11/00413 - made by moulding between two mould parts which are not in direct contact with one another
B24B13/0043 - the workpieces being deformed during the grinding operation
G02B3/04 - with continuous faces that are rotationally symmetrical but deviate from a true sphere
Y10S359/90 - Methods
US Classifications
264 - Plastic and nonmetallic article shaping or treating: processes
359 - Optical: systems and elements
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