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发明名称
Indexing device for welders
摘要
申请公布号
US1922424(A)
申请公布日期
1933.08.15
申请号
US19290331579
申请日期
1929.01.10
申请人
HUGHES TOOL COMPANY
发明人
EVANS SETH
分类号
B23K11/00
主分类号
B23K11/00
代理机构
代理人
主权项
地址
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