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发明名称
PRODUCTION OF ANGLE MATERIAL
摘要
申请公布号
JPH03146229(A)
申请公布日期
1991.06.21
申请号
JP19890285371
申请日期
1989.11.01
申请人
AICHI STEEL WORKS LTD
发明人
FURUTA OSAMU
分类号
B21D22/02
主分类号
B21D22/02
代理机构
代理人
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地址
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