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发明名称
CHAIR AND IDLER ROLL STAND ASSEMBLY FOR CONVEYORS
摘要
申请公布号
CA488907(A)
申请公布日期
1952.12.16
申请号
CAD488907
申请日期
申请人
JEFFREY MANUFACTURING CO.
发明人
ARTHUR L. LEE
分类号
主分类号
代理机构
代理人
主权项
地址
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