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经营范围
发明名称
The manufacture of welded metal gratings
摘要
申请公布号
GB1071181(A)
申请公布日期
1967.06.07
申请号
GB19640026364
申请日期
1964.06.25
申请人
RELIANCE STEEL PRODUCTS COMPANY
发明人
分类号
B21D47/00;B23K11/00;E01D19/12;E04C2/42
主分类号
B21D47/00
代理机构
代理人
主权项
地址
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