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发明名称
CYLINDRICAL BODY AND PRODUCTION THEREOF
摘要
申请公布号
JPH04309427(A)
申请公布日期
1992.11.02
申请号
JP19910101979
申请日期
1991.04.06
申请人
KOYO SEIKO CO LTD
发明人
SHIMAMURA YOSHITAKA;HAMAZAKI YOSHIAKI
分类号
B21D51/00;B21D53/26
主分类号
B21D51/00
代理机构
代理人
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地址
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