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发明名称
Longwall conveyor chain having a short broad vertical link
摘要
申请公布号
GB0324674(D0)
申请公布日期
2003.11.26
申请号
GB20030024674
申请日期
2003.10.23
申请人
JOY MM DELAWARE, INC.
发明人
分类号
E21F13/00;B65G19/20;F16G13/12
主分类号
E21F13/00
代理机构
代理人
主权项
地址
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