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发明名称
Improvements in or relating to scraper or push-plate conveyors for use in mines
摘要
申请公布号
GB570995(A)
申请公布日期
1945.08.01
申请号
GB19430014619
申请日期
1943.09.07
申请人
ALEXANDER ANDERSON;ANDERSON, BOYES & COMPANY LIMITED
发明人
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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