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发明名称
Welding goggle
摘要
申请公布号
US2981957(A)
申请公布日期
1961.05.02
申请号
US19580780589
申请日期
1958.12.15
申请人
HIRSCHMANN JACK B
发明人
HIRSCHMANN JACK B.
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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