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发明名称
Improvements in or relating to mine conveyors
摘要
申请公布号
GB1112427(A)
申请公布日期
1968.05.08
申请号
GB19640043347
申请日期
1964.10.23
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
OVEN TERENCE
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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