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发明名称
摘要
申请公布号
JPH0253136(B2)
申请公布日期
1990.11.15
申请号
JP19860015357
申请日期
1986.01.27
申请人
SUMITOMO SPEC METALS
发明人
SUGIURA SHIGEMICHI;MYAMOTO KENJI;ISHIO MASAAKI
分类号
B21D53/00;B23K20/00;B32B15/01;C22C38/00;C22C38/58;G12B1/02
主分类号
B21D53/00
代理机构
代理人
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