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发明名称
HIGH TENSILE LOW ALLOY STEEL FOR STEEL PIPE
摘要
申请公布号
JPS55131159(A)
申请公布日期
1980.10.11
申请号
JP19790039188
申请日期
1979.03.30
申请人
SUMITOMO METAL IND
发明人
TAKIGAWA NANAO
分类号
C22C38/00;C22C38/46
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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