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发明名称
摘要
申请公布号
JPS57112973(U)
申请公布日期
1982.07.13
申请号
JP19800189711U
申请日期
1980.12.29
申请人
发明人
分类号
G01R31/28;(IPC1-7):G01R31/28
主分类号
G01R31/28
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代理人
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