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发明名称
STAUBSCHUTZGERAET.
摘要
申请公布号
DE1719224(U)
申请公布日期
1956.03.22
申请号
DE195300D6591U
申请日期
1953.07.03
申请人
DRAEGERWERK, HEINR. & BERNH. DRAEGER
发明人
分类号
主分类号
代理机构
代理人
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