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经营范围
发明名称
Conveyor anchoring and advancing apparatus
摘要
申请公布号
US3297140(A)
申请公布日期
1967.01.10
申请号
US19650435133
申请日期
1965.02.25
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
CANNON DENNIS HENRY;HOLLIS RICHARD JOHN;POTTS MICHAEL CHARLES
分类号
E21F13/10
主分类号
E21F13/10
代理机构
代理人
主权项
地址
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