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发明名称
Welding boot
摘要
申请公布号
US2549804(A)
申请公布日期
1951.04.24
申请号
US19490124901
申请日期
1949.11.01
申请人
GRAHAM MANUFACTURING CORPORATION
发明人
GRAHAM HAROLD J.
分类号
B23K9/20
主分类号
B23K9/20
代理机构
代理人
主权项
地址
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