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经营范围
发明名称
Automatic valve
摘要
申请公布号
US2130687(A)
申请公布日期
1938.09.20
申请号
US19340749425
申请日期
1934.10.22
申请人
LACHMUND RALPH H
发明人
LACHMUND RALPH H.
分类号
B67D7/48
主分类号
B67D7/48
代理机构
代理人
主权项
地址
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