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发明名称
Welding mask
摘要
申请公布号
US2548230(A)
申请公布日期
1951.04.10
申请号
US19460679655
申请日期
1946.06.27
申请人
MOLYNEUX & ASPINWALL, INC.
发明人
MOLYNEUX CECIL PATRICK
分类号
A61F9/06
主分类号
A61F9/06
代理机构
代理人
主权项
地址
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