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发明名称
摘要
申请公布号
DE2645652(C3)
申请公布日期
1980.06.12
申请号
DE19762645652
申请日期
1976.10.09
申请人
COPAL CO. LTD., TOKIO
发明人
INOUE, NOBUYOSHI, KAWAGOE, SAITAMA;OOBA, OSAMU, MATSUDO, CHIBA
分类号
G03B9/58;(IPC1-7):G03B9/58
主分类号
G03B9/58
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代理人
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