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发明名称
Exchanging device of return roller rotating for belt conveyer
摘要
申请公布号
KR200439180(Y1)
申请公布日期
2008.03.26
申请号
KR20070020623U
申请日期
2007.12.24
申请人
发明人
分类号
B65G15/30;B65G15/60
主分类号
B65G15/30
代理机构
代理人
主权项
地址
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