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发明名称
Method for manufacture of riveted plate girders
摘要
申请公布号
US3113373(A)
申请公布日期
1963.12.10
申请号
US19610161113
申请日期
1961.12.21
申请人
LUKENS STEEL COMPANY
发明人
JR. RAYMOND A. GUYER,
分类号
B21D47/04;B23B41/00
主分类号
B21D47/04
代理机构
代理人
主权项
地址
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