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发明名称
摘要
申请公布号
JPS4637026(Y1)
申请公布日期
1971.12.20
申请号
JP19680054764U
申请日期
1968.06.29
申请人
发明人
分类号
(IPC1-7):G04B19/14;G01D13/02
主分类号
(IPC1-7):G04B19/14
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