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发明名称
BUTTERFLY TYPE FLUID CONTROL VALVES
摘要
申请公布号
US3698686(A)
申请公布日期
1972.10.17
申请号
USD3698686
申请日期
1969.10.10
申请人
SERCK IND. LTD.
发明人
WILLIAM WILLIAMS
分类号
F16K1/226;(IPC1-7):F16K1/22
主分类号
F16K1/226
代理机构
代理人
主权项
地址
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