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发明名称
ROEHRENVERBINDUNG FUER BOHRLOCH.
摘要
申请公布号
DE3582885(D1)
申请公布日期
1991.06.20
申请号
DE19853582885
申请日期
1985.02.19
申请人
WATTS JOHN DAWSON
发明人
WATTS JOHN DAWSON
分类号
F16L25/00;(IPC1-7):F16L25/00
主分类号
F16L25/00
代理机构
代理人
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