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发明名称
摘要
申请公布号
FR2029179(A5)
申请公布日期
1970.10.16
申请号
FR19690000596
申请日期
1969.01.15
申请人
SINAI PHILIPPE
发明人
分类号
C03C23/00;G02B3/00;(IPC1-7):G02B1/00
主分类号
C03C23/00
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代理人
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