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发明名称
Improvements in or relating to gas-meters
摘要
申请公布号
GB391326(A)
申请公布日期
1933.04.27
申请号
GB19320014816
申请日期
1932.05.25
申请人
ENGVALD BALDERSHEIM;FREDRIK W SUNDBY
发明人
分类号
G01F3/22
主分类号
G01F3/22
代理机构
代理人
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地址
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