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发明名称
Valve assembly
摘要
申请公布号
US2689106(A)
申请公布日期
1954.09.14
申请号
US19490126933
申请日期
1949.11.14
申请人
O. L. MILLER
发明人
WATKINSD IVAN S.
分类号
F16K27/04
主分类号
F16K27/04
代理机构
代理人
主权项
地址
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