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经营范围
发明名称
Roller conveyer
摘要
申请公布号
US2622720(A)
申请公布日期
1952.12.23
申请号
US19500183549
申请日期
1950.09.07
申请人
UNITED STATES STEEL COMPANY
发明人
LORIG EDWIN T.
分类号
B65G13/00
主分类号
B65G13/00
代理机构
代理人
主权项
地址
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