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摘要
申请公布号
JPS52149375(A)
申请公布日期
1977.12.12
申请号
JP19760066265
申请日期
1976.06.07
申请人
SUWA SEIKOSHA KK
发明人
OODO HIDETOSHI
分类号
G04B37/10;G04C3/00;G04G21/00;G04G99/00;H01H13/06;H01H13/52;H01H13/702
主分类号
G04B37/10
代理机构
代理人
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