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发明名称
摘要
申请公布号
CS175721(B1)
申请公布日期
1977.05.31
申请号
CS19740002438
申请日期
1974.04.04
申请人
发明人
分类号
G01N7/00;B65H63/032;D01H13/16;G01B13/00;(IPC1-7):D01D13/02
主分类号
G01N7/00
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