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发明名称
PROCESS FOR FORGING RINGGSHAPED MATERIAL FOR USE IN RING MILL FROM CYLINDRICAL CORED MATERIAL
摘要
申请公布号
JPS5318462(A)
申请公布日期
1978.02.20
申请号
JP19760093331
申请日期
1976.08.04
申请人
SUMITOMO METAL IND
发明人
NAKAJIMA TATAMICHI
分类号
B21J5/10;B21H1/06;B21H1/10;B21J1/04
主分类号
B21J5/10
代理机构
代理人
主权项
地址
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