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发明名称
摘要
申请公布号
JPH0224169(B2)
申请公布日期
1990.05.28
申请号
JP19850085097
申请日期
1985.04.19
申请人
YAGI KINZOKU KK
发明人
YAGI NAOHARU
分类号
B21D39/03
主分类号
B21D39/03
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