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发明名称
VALVE SEAT CONSTRUCTION
摘要
申请公布号
CA894652(A)
申请公布日期
1972.03.07
申请号
CAD894652
申请日期
申请人
DRESSER INDUSTRIES
发明人
WILLIAM C. GILMORE
分类号
F16K1/226;F16K1/42;F16K51/00;(IPC1-7):F16K51/00
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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