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发明名称
OPERATING MECHANISM FOR BUTTERFLY VALVE
摘要
申请公布号
US3420500(A)
申请公布日期
1969.01.07
申请号
USD3420500
申请日期
1966.10.31
申请人
DRESSER IND. INC.
发明人
DONALD L. GEISELMAN
分类号
F16K1/226;F16K31/50;F16K41/02;(IPC1-7):F16K51/00;F16D11/00;F16H29/20
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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