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经营范围
发明名称
Valve mechanism
摘要
申请公布号
US2969087(A)
申请公布日期
1961.01.24
申请号
US19540463265
申请日期
1954.10.19
申请人
RANCO INCORPORATED
发明人
RANEY ESTEL C.
分类号
F16K31/40
主分类号
F16K31/40
代理机构
代理人
主权项
地址
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