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发明名称
ACOUSTICAL LOUVER
摘要
申请公布号
CA1007169(A)
申请公布日期
1977.03.22
申请号
CA19760251862
申请日期
1976.05.05
申请人
CATERPILLAR TRACTOR CO.
发明人
CARLSON, ROBERT D.;KRAINA, JACK H.;WEGNER, ROBERT C.
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