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发明名称
Drag conveyer
摘要
申请公布号
US1985850(A)
申请公布日期
1934.12.25
申请号
US19310556640
申请日期
1931.08.12
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
BEARDSLEY BRUCE
分类号
B65H29/16
主分类号
B65H29/16
代理机构
代理人
主权项
地址
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