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发明名称
Improvements relating to haulage transmission gearing for coal and like cutting machines
摘要
申请公布号
GB329482(A)
申请公布日期
1930.05.22
申请号
GB19290013148
申请日期
1929.04.27
申请人
ANDERSON, BOYES & COMPANY LIMITED;JAMES BOYD SHIELD
发明人
分类号
E21C29/10
主分类号
E21C29/10
代理机构
代理人
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