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经营范围
发明名称
TENSIONING APPARATUS FOR AN ENDLESS CONVEYOR
摘要
申请公布号
US3557937(A)
申请公布日期
1971.01.26
申请号
USD3557937
申请日期
1968.10.18
申请人
NATIONAL MINE SERVICE CO.
发明人
NORMAN D. KAHRE
分类号
B65G21/14;(IPC1-7):B65G41/00
主分类号
B65G21/14
代理机构
代理人
主权项
地址
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