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发明名称
CLOSED FORGING DEVICE OF CYLINDRICAL BODY AND FORGING METHOD THEREOF
摘要
申请公布号
JPH02251333(A)
申请公布日期
1990.10.09
申请号
JP19890073188
申请日期
1989.03.23
申请人
GOTO TANKO KK;AKIYAMA HYOE
发明人
NAKANISHI TERUHIKO;AKIYAMA HYOE
分类号
B21J5/06;B21K21/00
主分类号
B21J5/06
代理机构
代理人
主权项
地址
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