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发明名称
Posting tray
摘要
申请公布号
US1783871(A)
申请公布日期
1930.12.02
申请号
US19270228849
申请日期
1927.10.26
申请人
COLUMBIA STEEL EQUIPMENT COMPANY
发明人
BERGMANN PHILIP
分类号
B42F17/02
主分类号
B42F17/02
代理机构
代理人
主权项
地址
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