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发明名称
Improvements in colliery turntables
摘要
申请公布号
GB776667(A)
申请公布日期
1957.06.12
申请号
GB19540016073
申请日期
1954.05.31
申请人
QUALTER, HALL & COMPANY (SALES) LIMITED;CYRIL LINES
发明人
分类号
B61J1/00;E21F13/04
主分类号
B61J1/00
代理机构
代理人
主权项
地址
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