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发明名称
Perfectionnement aux lunettes et à leurs montures
摘要
申请公布号
FR976822(A)
申请公布日期
1951.03.22
申请号
FRD976822
申请日期
1948.10.20
申请人
LUX OPTICAL
发明人
分类号
F04D5/00;G02C1/02;G02C1/04
主分类号
F04D5/00
代理机构
代理人
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地址
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