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发明名称
Valve
摘要
申请公布号
US1874847(A)
申请公布日期
1932.08.30
申请号
US19300465960
申请日期
1930.07.07
申请人
MOTOR IMPROVEMENTS, INC.
发明人
ARNOLD GEORGE A.
分类号
F16K17/00
主分类号
F16K17/00
代理机构
代理人
主权项
地址
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