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发明名称
DICHTUNG
摘要
申请公布号
DE3020769(A1)
申请公布日期
1981.01.15
申请号
DE19803020769
申请日期
1980.05.31
申请人
ETABLISSEMENTS PAUL JACOTTET S.A.
发明人
分类号
F16J15/32;(IPC1-7):F16J15/32
主分类号
F16J15/32
代理机构
代理人
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地址
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