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发明名称
摘要
申请公布号
NL6714922(A)
申请公布日期
1968.05.17
申请号
NL19670014922
申请日期
1967.11.02
申请人
发明人
分类号
B21C37/20;B21D15/04;B29C31/00;B29C59/02;B29C67/00;B65G53/52;(IPC1-7):B65G/;B21C/;B29B/;B29F/
主分类号
B21C37/20
代理机构
代理人
主权项
地址
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