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发明名称
摘要
申请公布号
JPS5268940(U)
申请公布日期
1977.05.21
申请号
JP19750156217U
申请日期
1975.11.19
申请人
发明人
分类号
G01R31/00;G05F1/56;(IPC1-7):G05F1/56
主分类号
G01R31/00
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