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发明名称
NASENKLAMMER FUER ATEMSCHUTZGERAET.
摘要
申请公布号
DE1670216(U)
申请公布日期
1954.01.14
申请号
DE19511670216U
申请日期
1951.06.18
申请人
DRAEGERWERK - HEINR. & BERNH. DRAEGER
发明人
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主分类号
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