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发明名称
摘要
申请公布号
JPS5229122(U)
申请公布日期
1977.03.01
申请号
JP19750115920U
申请日期
1975.08.22
申请人
发明人
分类号
G10B3/12;G10H1/00;(IPC1-7):G10H1/00
主分类号
G10B3/12
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代理人
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