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经营范围
发明名称
Comparateur.
摘要
申请公布号
CH253983(A)
申请公布日期
1948.04.15
申请号
CHD253983
申请日期
1946.08.21
申请人
DUBOIS,LOUIS
发明人
DUBOIS,LOUIS
分类号
G01B3/22
主分类号
G01B3/22
代理机构
代理人
主权项
地址
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