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经营范围
发明名称
Automatic valve
摘要
申请公布号
US1800066(A)
申请公布日期
1931.04.07
申请号
US19290375294
申请日期
1929.07.01
申请人
GLASS EDWARD J
发明人
GLASS EDWARD J.
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
主权项
地址
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