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经营范围
发明名称
Improvements in or connected with valve means of gas meters
摘要
申请公布号
GB443932(A)
申请公布日期
1936.03.10
申请号
GB19350001457
申请日期
1935.01.16
申请人
ALEXANDER BUJNOWSKI
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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