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发明名称
Welded construction
摘要
申请公布号
US2200229(A)
申请公布日期
1940.05.07
申请号
US19380208807
申请日期
1938.05.19
申请人
THE NIROSTA CORPORATION
发明人
STRAUSS BENNO
分类号
C21D9/50;C22C38/40
主分类号
C21D9/50
代理机构
代理人
主权项
地址
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