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发明名称
ENDOPNEUMATISCHE OESOPHAGOOBTURIERENDE VORRICHTUNG
摘要
申请公布号
DD335426(A5)
申请公布日期
1992.05.07
申请号
DD19890335426
申请日期
1989.12.08
申请人
发明人
分类号
A61F2/958;(IPC1-7):A61M25/10
主分类号
A61F2/958
代理机构
代理人
主权项
地址
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