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发明名称
摘要
申请公布号
JPS4730844(Y1)
申请公布日期
1972.09.14
申请号
JP19680031250U
申请日期
1968.04.17
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发明人
分类号
(IPC1-7):G01N25/20
主分类号
(IPC1-7):G01N25/20
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