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发明名称
VALVE
摘要
申请公布号
US3503375(A)
申请公布日期
1970.03.31
申请号
USD3503375
申请日期
1968.06.17
申请人
EARL A. THOMPSON MFG. CO.
发明人
EARL A. THOMPSON
分类号
B22D13/00;B22D19/00;F01L3/02;(IPC1-7):F01L3/02
主分类号
B22D13/00
代理机构
代理人
主权项
地址
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