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发明名称
PRODUCTION OF CYLINDER MEMBER HAVING ELEVATIONS ON ITS INNER OR BOTH FACES FROM PIPE WITH OUTER ELEVATION
摘要
申请公布号
JPS54153769(A)
申请公布日期
1979.12.04
申请号
JP19780063151
申请日期
1978.05.25
申请人
KUBOTA LTD
发明人
NOMICHI SUEYOSHI;KOUMITSU ARATA
分类号
B21J5/00;B21K21/08
主分类号
B21J5/00
代理机构
代理人
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