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发明名称
PERFECTIONNEMENTS AUX ARTICLES CREUX
摘要
申请公布号
BE858711(A1)
申请公布日期
1978.01.02
申请号
BE19770180916
申请日期
1977.09.15
申请人
THE BRITISH ALUMINIUM CY LTD
发明人
分类号
B21D51/18;B21D51/24;B21D51/26;(IPC1-7):B21D/
主分类号
B21D51/18
代理机构
代理人
主权项
地址
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