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发明名称
VALVE
摘要
申请公布号
US3690956(A)
申请公布日期
1972.09.12
申请号
USD3690956
申请日期
1970.03.18
申请人
F. JOS. LAMB CO.
发明人
EARL A. THOMPSON
分类号
C22C38/18;F01L3/02;(IPC1-7):C22C37/06
主分类号
C22C38/18
代理机构
代理人
主权项
地址
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