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发明名称
SEAT AND SEAL ASSEMBLY FOR VALVES
摘要
申请公布号
CA863166(A)
申请公布日期
1971.02.09
申请号
CAD863166
申请日期
申请人
ELDON E. HULSEY
发明人
ELDON E. HULSEY
分类号
主分类号
代理机构
代理人
主权项
地址
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