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发明名称
Perfectionnements aux compteurs
摘要
申请公布号
FR812720(A)
申请公布日期
1937.05.15
申请号
FRD812720
申请日期
1936.09.28
申请人
WAYNE COMPANY
发明人
分类号
G01F3/18
主分类号
G01F3/18
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代理人
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