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摘要
申请公布号
SE332609(B)
申请公布日期
1971.02.15
申请号
SE19660008456
申请日期
1966.06.21
申请人
OTT E
发明人
OTT E
分类号
B21F35/04;(IPC1-7):B21F35/04
主分类号
B21F35/04
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