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发明名称
Variable compression ratio internalcombustion engine
摘要
申请公布号
US2399276(A)
申请公布日期
1946.04.30
申请号
US19430498293
申请日期
1943.08.12
申请人
KRATZER HERBERT J
发明人
KRATZER HERBERT J.
分类号
F02B75/04
主分类号
F02B75/04
代理机构
代理人
主权项
地址
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