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发明名称
DICHTUNG
摘要
申请公布号
DE3806784(A1)
申请公布日期
1989.06.15
申请号
DE19883806784
申请日期
1988.03.02
申请人
ENSSLE, HERTHA, 8867 OETTINGEN, DE
发明人
ENSSLE, GERHARD, 8867 OETTINGEN, DE
分类号
E03F3/04;F16L55/115
主分类号
E03F3/04
代理机构
代理人
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