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发明名称
Oil pan heating device
摘要
申请公布号
US2721253(A)
申请公布日期
1955.10.18
申请号
US19540432390
申请日期
1954.05.26
申请人
LANGLOIS ROLAND E
发明人
LANGLOIS ROLAND E.
分类号
F02N19/02
主分类号
F02N19/02
代理机构
代理人
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地址
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