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经营范围
发明名称
Compound resonance unit
摘要
申请公布号
US2271055(A)
申请公布日期
1942.01.27
申请号
US19390281439
申请日期
1939.06.27
申请人
GENERAL MOTORS CORPORATION
发明人
WILSON ERNEST E.
分类号
F01N1/00;F01N1/02;F02M35/12
主分类号
F01N1/00
代理机构
代理人
主权项
地址
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