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发明名称
Valve
摘要
申请公布号
US1886007(A)
申请公布日期
1932.11.01
申请号
US19320587008
申请日期
1932.01.16
申请人
GOLDBERG DAVID D
发明人
GOLDBERG DAVID D.
分类号
F16K11/065
主分类号
F16K11/065
代理机构
代理人
主权项
地址
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