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摘要
申请公布号
NL7102649(A)
申请公布日期
1972.03.28
申请号
NL19710002649
申请日期
1971.02.26
申请人
发明人
分类号
G03G5/087;G03G5/05;(IPC1-7):G03G5/04
主分类号
G03G5/087
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代理人
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