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发明名称
Loading dock canopy
摘要
申请公布号
US2798502(A)
申请公布日期
1957.07.09
申请号
US19530376905
申请日期
1953.08.27
申请人
D AZZO ERROL P
发明人
D'AZZO ERROL P.
分类号
E04H15/04
主分类号
E04H15/04
代理机构
代理人
主权项
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