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经营范围
发明名称
Perfectionnements apportés aux compteurs à gaz secs
摘要
申请公布号
FR812187(A)
申请公布日期
1937.05.01
申请号
FRD812187
申请日期
1936.09.26
申请人
UNITED GAS INDUSTRIES LIMITED
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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