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发明名称
摘要
申请公布号
FR2018800(A1)
申请公布日期
1970.06.26
申请号
FR19690025194
申请日期
1969.07.24
申请人
SINGER CY
发明人
分类号
G01C19/18;F16D3/00;F16D3/74;G01C19/00;G01C19/22;(IPC1-7):F16D3/00
主分类号
G01C19/18
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