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发明名称
摘要
申请公布号
JPS5224851(B1)
申请公布日期
1977.07.04
申请号
JP19710080510
申请日期
1971.10.12
申请人
发明人
分类号
G03G17/04;(IPC1-7):G03G17/04
主分类号
G03G17/04
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代理人
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