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发明名称
NASENMASKE.
摘要
申请公布号
DE1673098(U)
申请公布日期
1954.03.04
申请号
DE195200K0314U
申请日期
1952.12.08
申请人
HANS KERSCHBAUMER
发明人
HANS KERSCHBAUMER
分类号
主分类号
代理机构
代理人
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