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经营范围
发明名称
Gas meter
摘要
申请公布号
US1801896(A)
申请公布日期
1931.04.21
申请号
US19270241007
申请日期
1927.12.19
申请人
AMERICAN METER CO.
发明人
BATES EDMOND E.
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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