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发明名称
摘要
申请公布号
FR2100204(A5)
申请公布日期
1972.03.17
申请号
FR19710024350
申请日期
1971.07.02
申请人
NIPPON KOGAKU KK
发明人
分类号
G03B7/08;G03B7/081;G03B7/083;G03B7/087;G03B7/089;G03B7/099;G03B17/18;(IPC1-7):03B7/00
主分类号
G03B7/08
代理机构
代理人
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