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发明名称
Method of manufacturing h-beams
摘要
申请公布号
US3251213(A)
申请公布日期
1966.05.17
申请号
US19620233316
申请日期
1962.10.26
申请人
FUJI IRON & STEEL COMPANY LTD.
发明人
NODA IKUYA
分类号
B21B1/08
主分类号
B21B1/08
代理机构
代理人
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地址
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