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发明名称
VENTILATIONSTUBUS DES MITTELOHRES
摘要
申请公布号
DD260440(A1)
申请公布日期
1988.09.28
申请号
DD19870302798
申请日期
1987.05.15
申请人
VEB KERAMISCHE WERKE HERMSDORF,DD
发明人
GLIEN,WILFRIED,DD;SCHOLTZ,HEINZ-JOACHIM,DD
分类号
A61F11/00;(IPC1-7):A61F11/00
主分类号
A61F11/00
代理机构
代理人
主权项
地址
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