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发明名称
Welder's helmet
摘要
申请公布号
US2388604(A)
申请公布日期
1945.11.06
申请号
US19420450112
申请日期
1942.07.08
申请人
MERRIL EISENBUD
发明人
EISENBUD MERRIL
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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