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发明名称
Perfectionnements apportés aux instruments mesureurs et enregistreurs
摘要
申请公布号
FR696121(A)
申请公布日期
1930.12.26
申请号
FRD696121
申请日期
1930.05.26
申请人
发明人
PAULIN JOSUA GABRIEL
分类号
G01L19/08
主分类号
G01L19/08
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代理人
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