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发明名称
Improvements in open steel flooring and like open steel panels
摘要
申请公布号
GB860734(A)
申请公布日期
1961.02.08
申请号
GB19590018715
申请日期
1959.06.02
申请人
BETTLES AND SONS LIMITED;JOHN WILLIAM EDWARD BETTLES
发明人
BETTLES JOHN WILLIAM EDWARD
分类号
B21D47/00;E04C2/42
主分类号
B21D47/00
代理机构
代理人
主权项
地址
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