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经营范围
发明名称
Metering apparatus
摘要
申请公布号
US2158381(A)
申请公布日期
1939.05.16
申请号
US19360110021
申请日期
1936.11.09
申请人
GWYNNE RAYMOND
发明人
RAYMOND GWYNNE
分类号
G01F1/20
主分类号
G01F1/20
代理机构
代理人
主权项
地址
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