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发明名称
SPIRAL DOWN FEED CONVEYOR
摘要
申请公布号
CA774954(A)
申请公布日期
1968.01.02
申请号
CAD774954
申请日期
申请人
ALLEN-HARPER
发明人
CHESTER H. HARPER;KENNETH M. ALLEN
分类号
主分类号
代理机构
代理人
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