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发明名称
KINZOKUOBIITANOKEIJOKYOSEISOCHI
摘要
申请公布号
JPH0245926(B2)
申请公布日期
1990.10.12
申请号
JP19860141246
申请日期
1986.06.19
申请人
SUMITOMO HEAVY INDUSTRIES
发明人
YAMAMOTO KEIJI;KANESHIGE KAZUTO
分类号
B21D1/05
主分类号
B21D1/05
代理机构
代理人
主权项
地址
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