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发明名称
ROTARY VALVE FOR ENGINES
摘要
申请公布号
CA336509(A)
申请公布日期
1933.10.24
申请号
CAD336509
申请日期
申请人
JOANNES FRANCISCUS BACKX;JEAN VANDER ELST
发明人
JEAN VANDER ELST;JOANNES FRANCISCUS BACKX
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