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经营范围
发明名称
Perfectionnements aux jauges
摘要
申请公布号
FR771315(A)
申请公布日期
1934.10.05
申请号
FRD771315
申请日期
1933.06.28
申请人
发明人
PETIT ETIENNE
分类号
G01F23/04
主分类号
G01F23/04
代理机构
代理人
主权项
地址
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