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发明名称
Arc-welding helmet
摘要
申请公布号
US3227866(A)
申请公布日期
1966.01.04
申请号
US19630322680
申请日期
1963.11.12
申请人
PETERS RUDOLPH W;PETERS RONALD L;HENRY TAYLOR WILLIAM
发明人
PETERS RUDOLPH W.;PETERS RONALD L.;TAYLOR WILLIAM HENRY
分类号
A61F9/06;F21L14/00;F21V33/00
主分类号
A61F9/06
代理机构
代理人
主权项
地址
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