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发明名称
Method of manufacturing thick walled pressure vessels by electrical welding
摘要
申请公布号
US1864156(A)
申请公布日期
1932.06.21
申请号
US19290339292
申请日期
1929.02.12
申请人
A. O. SMITH CORPORATION
发明人
STRESAU RICHARD
分类号
B23K9/00
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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