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发明名称
摘要
申请公布号
JPS6026618(B2)
申请公布日期
1985.06.25
申请号
JP19770106432
申请日期
1977.09.05
申请人
KOGYO GIJUTSUIN
发明人
UEDA TERUMORI;YAMAMOTO TETSUO
分类号
B21D19/00;B21D19/08;B21J5/08;B21K21/08
主分类号
B21D19/00
代理机构
代理人
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