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经营范围
发明名称
Electrically operated valve
摘要
申请公布号
US2032621(A)
申请公布日期
1936.03.03
申请号
US19340711468
申请日期
1934.02.16
申请人
LARSCHEIDT JOHN H
发明人
LARSCHEIDT JOHN H.
分类号
F16K31/02
主分类号
F16K31/02
代理机构
代理人
主权项
地址
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