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发明名称
摘要
申请公布号
JPS6322894(B2)
申请公布日期
1988.05.13
申请号
JP19800080975
申请日期
1980.06.17
申请人
VOEST ALPINE AG
发明人
HANSU ASHAUAA
分类号
B21D19/08;B21D5/04;B21D19/12
主分类号
B21D19/08
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