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发明名称
Engine heating and cooling system
摘要
申请公布号
US1873379(A)
申请公布日期
1932.08.23
申请号
US19290368584
申请日期
1929.06.05
申请人
FRENTZEL JR HERMAN C
发明人
JR. HERMAN C. FRENTZEL,
分类号
F01P7/10
主分类号
F01P7/10
代理机构
代理人
主权项
地址
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