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发明名称
摘要
申请公布号
JP2888415(B2)
申请公布日期
1999.05.10
申请号
JP19940171185
申请日期
1994.07.22
申请人
UBE KOSAN KK
发明人
IWAI HIDEKI;OOBA HIROYOSHI
分类号
B21C35/04;(IPC1-7):B21C35/04
主分类号
B21C35/04
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