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发明名称
Conveyer
摘要
申请公布号
US2239778(A)
申请公布日期
1941.04.29
申请号
US19390308564
申请日期
1939.12.11
申请人
GOODMAN MANUFACTURING COMPANY
发明人
CARTLIDGE FRANK
分类号
E21F13/02
主分类号
E21F13/02
代理机构
代理人
主权项
地址
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