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发明名称
Method of producing pressure tight tube and tube-seat connections
摘要
申请公布号
US2275451(A)
申请公布日期
1942.03.10
申请号
US19390274749
申请日期
1939.05.20
申请人
THE BABCOCK & WILCOX COMPANY
发明人
MAXWELL CARL A.
分类号
B21D39/06
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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