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发明名称
摘要
申请公布号
CH623625(A5)
申请公布日期
1981.06.15
申请号
CH19770010565
申请日期
1977.08.30
申请人
MAURER, HANS
发明人
HANS MAURER
分类号
E03D9/08;(IPC1-7):E03D9/08;A47K7/08
主分类号
E03D9/08
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