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发明名称
Portable deck
摘要
申请公布号
US2296779(A)
申请公布日期
1942.09.22
申请号
US19400348301
申请日期
1940.07.29
申请人
CARNEGIE-ILLINOIS STEEL CORPORATION
发明人
EMERSON CHARLES O.
分类号
E01C9/08
主分类号
E01C9/08
代理机构
代理人
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地址
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