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发明名称
ATSUENYOROORUNO KUMITATEHO
摘要
申请公布号
JPS5172953(A)
申请公布日期
1976.06.24
申请号
JP19740146828
申请日期
1974.12.23
申请人
HITACHI METALS LTD
发明人
IWATA MITSUNOBU;NISHIMURA YUTAKA
分类号
B21B27/03;B21B27/00
主分类号
B21B27/03
代理机构
代理人
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地址
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