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发明名称
Sealing assembly for valves
摘要
申请公布号
US2799470(A)
申请公布日期
1957.07.16
申请号
US19480015645
申请日期
1948.03.18
申请人
THE PARKER APPLIANCE COMPANY
发明人
MARGRAVE WILTON
分类号
F16K5/04;F16K5/18
主分类号
F16K5/04
代理机构
代理人
主权项
地址
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