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发明名称
Valve
摘要
申请公布号
US2603447(A)
申请公布日期
1952.07.15
申请号
US19460662013
申请日期
1946.04.13
申请人
OLSON THOMAS A
发明人
OLSON THOMAS A.
分类号
F16K3/18
主分类号
F16K3/18
代理机构
代理人
主权项
地址
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