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发明名称
SEALING RING RETAINMENT AND ADAPTATION TO A BUTTERFLY VALVE
摘要
申请公布号
US3508737(A)
申请公布日期
1970.04.28
申请号
USD3508737
申请日期
1968.01.19
申请人
VAPOR CORP.
发明人
JOHN SIKORCIN
分类号
F16K1/226;(IPC1-7):F16K1/22;F16J9/24
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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