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发明名称
Valve construction
摘要
申请公布号
US2913218(A)
申请公布日期
1959.11.17
申请号
US19570657263
申请日期
1957.05.06
申请人
IDAHO MARYLAND MINES CORPORATION
发明人
BROZ ALBERT F.
分类号
F16K1/228
主分类号
F16K1/228
代理机构
代理人
主权项
地址
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