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经营范围
发明名称
Perfectionnements apportés aux dispositifs de mesures de durées
摘要
申请公布号
FR1135386(A)
申请公布日期
1957.04.26
申请号
FRD1135386
申请日期
1955.07.19
申请人
ETABLISSEMENTS CHAUVIN ARNOUX ET COMPAGNIE
发明人
分类号
G02B5/00;G04F13/02
主分类号
G02B5/00
代理机构
代理人
主权项
地址
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