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发明名称
WELDING HELMET AND THE LIKE
摘要
申请公布号
US3535707(A)
申请公布日期
1970.10.27
申请号
USD3535707
申请日期
1969.03.03
申请人
TRISON CORP.
发明人
HARRY R. GREENLEE
分类号
A61F9/06;(IPC1-7):A61F9/06
主分类号
A61F9/06
代理机构
代理人
主权项
地址
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