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发明名称
HALBMASKE.
摘要
申请公布号
DE1726658(U)
申请公布日期
1956.07.19
申请号
DE195300D6887U
申请日期
1953.08.24
申请人
DRAEGERWERK, HEINR. & BERNH. DRAEGER
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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