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发明名称
Vermittels Kinn betaetigte,gleitbare Filterlinse fuer einen Schweisshelm
摘要
申请公布号
DE1961674(A1)
申请公布日期
1970.08.27
申请号
DE19691961674
申请日期
1969.12.04
申请人
UNDERHILL,RUSSELL A.
发明人
A. UNDERHILL,RUSSELL
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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