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经营范围
发明名称
Chain tensioning arrangement
摘要
申请公布号
GB2043577(A)
申请公布日期
1980.10.08
申请号
GB19790008498
申请日期
1979.03.10
申请人
DALE (MANSFIELD) LTD
发明人
分类号
E21C29/14;(IPC1-7):B65H77/00
主分类号
E21C29/14
代理机构
代理人
主权项
地址
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