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发明名称
BALLING DRUM
摘要
申请公布号
CA646450(A)
申请公布日期
1962.08.07
申请号
CAD646450
申请日期
申请人
KOPPERS COMPANY
发明人
LINWOOD G. TUCKER, JR.;GORDON L. COX, JR.
分类号
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