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发明名称
Valve
摘要
申请公布号
US1836280(A)
申请公布日期
1931.12.15
申请号
US19280285626
申请日期
1928.06.15
申请人
RAFTON ENGINEERING CORPORATION
发明人
RAFTON HAROLD ROBERT
分类号
F16K3/24
主分类号
F16K3/24
代理机构
代理人
主权项
地址
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