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发明名称
摘要
申请公布号
JPS53113656(U)
申请公布日期
1978.09.09
申请号
JP19770018670U
申请日期
1977.02.17
申请人
发明人
分类号
G01G21/28;(IPC1-7):G01G21/28
主分类号
G01G21/28
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