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经营范围
发明名称
Perfectionnements aux micromètres destinés à la vérification des filetages
摘要
申请公布号
FR36936(E)
申请公布日期
1930.09.06
申请号
FRD36936
申请日期
1929.05.18
申请人
发明人
GOUVERNEUR FERNAND
分类号
G01B3/40
主分类号
G01B3/40
代理机构
代理人
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