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发明名称
Procédé et dispositif de mesure comparative de longueurs
摘要
申请公布号
FR909955(A)
申请公布日期
1946.05.23
申请号
FRD909955
申请日期
1945.03.26
申请人
发明人
HAHNLE OTTO
分类号
G01B3/00
主分类号
G01B3/00
代理机构
代理人
主权项
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