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发明名称
Partition structures
摘要
申请公布号
US2915151(A)
申请公布日期
1959.12.01
申请号
US19570700688
申请日期
1957.12.04
申请人
GENERAL STEEL PRODUCTS CORP.
发明人
KEKENAK CHARLES
分类号
E04B2/74
主分类号
E04B2/74
代理机构
代理人
主权项
地址
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