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发明名称
Valve seat
摘要
申请公布号
US2515656(A)
申请公布日期
1950.07.18
申请号
US19450636690
申请日期
1945.12.22
申请人
THE B. F. GOODRICH COMPANY
发明人
LOWEKE ERWIN F.
分类号
F16K1/42;F16K31/363
主分类号
F16K1/42
代理机构
代理人
主权项
地址
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