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经营范围
发明名称
AUTOMATIC OIL EXCHANGING SYSTEM
摘要
申请公布号
US3447636(A)
申请公布日期
1969.06.03
申请号
USD3447636
申请日期
1967.07.24
申请人
RALPH J. BONFILIO
发明人
RALPH J. BONFILIO
分类号
F01M11/04;F01M11/06;(IPC1-7):F16M13/02;F01M11/00
主分类号
F01M11/04
代理机构
代理人
主权项
地址
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