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发明名称
COMPOUND MOVEMENT BUTTERFLY VALVE
摘要
申请公布号
US3498583(A)
申请公布日期
1970.03.03
申请号
USD3498583
申请日期
1966.10.07
申请人
MARTIN MARIETTA CORP.
发明人
MORLEY V. FRIEDELL
分类号
F16K1/22;F16K1/24;(IPC1-7):F16K25/00
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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