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发明名称
摘要
申请公布号
JPS5741780(Y2)
申请公布日期
1982.09.13
申请号
JP19770179263U
申请日期
1977.12.27
申请人
发明人
分类号
G03B13/02;G03B13/00;G03B13/10;G03B17/28;G03B19/12;G03B19/14;(IPC1-7):G03B19/12
主分类号
G03B13/02
代理机构
代理人
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地址
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