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发明名称
Valve
摘要
申请公布号
US2022791(A)
申请公布日期
1935.12.03
申请号
US19290394060
申请日期
1929.09.20
申请人
TETLOW LEWIS J
发明人
TETLOW LEWIS J.
分类号
F16K47/02
主分类号
F16K47/02
代理机构
代理人
主权项
地址
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