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发明名称
Loading device
摘要
申请公布号
US1877286(A)
申请公布日期
1932.09.13
申请号
US19280326927
申请日期
1928.12.19
申请人
GOODMAN MANUFACTURING COMPANY
发明人
FARNHAM SIDNEY W.
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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