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发明名称
摘要
申请公布号
FR2272372(A1)
申请公布日期
1975.12.19
申请号
FR19750006685
申请日期
1975.03.04
申请人
SINGER CY,US
发明人
分类号
G01F15/02;G01F15/04;(IPC1-7):G01F15/07
主分类号
G01F15/02
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