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发明名称
摘要
申请公布号
JPS63131(B2)
申请公布日期
1988.01.05
申请号
JP19780031741
申请日期
1978.03.22
申请人
BABUKOTSUKU HITACHI KK;RIKEN SEIKI KK;RIKEN KIKI KK
发明人
TAKEDA NARIFUMI;YAMAMOTO NOBUHIKO
分类号
B21D39/08
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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