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发明名称
Procédé de fabrication de lentilles d'optique à partir de matières plastiques transparentes
摘要
申请公布号
FR944454(A)
申请公布日期
1949.04.06
申请号
FRD944454
申请日期
1947.04.01
申请人
COMBINED OPTICAL INDUSTRIES LIMITED
发明人
分类号
B29C43/00;B29D11/00
主分类号
B29C43/00
代理机构
代理人
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