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发明名称
摘要
申请公布号
FR2456567(B1)
申请公布日期
1984.12.07
申请号
FR19800010944
申请日期
1980.05.14
申请人
INSTITUTE METALOZNANIE TECHNOLO
发明人
分类号
B21C23/00;B21C23/21;B21C37/00;B21D26/00;B21J5/00;B21J5/02;B21J5/06;B21J13/02;B29C33/00;B29C33/38;B29C43/00;B29C43/32;B30B5/00;(IPC1-7):B21C23/00
主分类号
B21C23/00
代理机构
代理人
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