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发明名称
Articulated conveyer take-up
摘要
申请公布号
US2613800(A)
申请公布日期
1952.10.14
申请号
US19470783758
申请日期
1947.11.03
申请人
JOY MANUFACTURING COMPANY
发明人
MERCK JOHN
分类号
E21D9/12
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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