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发明名称
摘要
申请公布号
JPH05125(B2)
申请公布日期
1993.01.05
申请号
JP19880059010
申请日期
1988.03.11
申请人
SUMITOMO ELECTRIC INDUSTRIES
发明人
SAGARA SEIJI;TANIGAWA YOSHINORI;YAMADA KATSUHIKO
分类号
B21B43/00;C21D9/00
主分类号
B21B43/00
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