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发明名称
Dispositif de montage de ressort pour mécanisme à bascule de compteur à gaz à soupapes
摘要
申请公布号
FR716538(A)
申请公布日期
1931.12.22
申请号
FRD716538
申请日期
1931.05.05
申请人
VESTA APPARATE- U. METALLWARENFABRIK G.M.B.H.
发明人
分类号
G01F3/22
主分类号
G01F3/22
代理机构
代理人
主权项
地址
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