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发明名称
VERFAHREN ZUR PROVISORISCHEN SPERRUNG VON MEDIEN IN ROHREN
摘要
申请公布号
DD158419(A1)
申请公布日期
1983.01.12
申请号
DD19810229286
申请日期
1981.04.16
申请人
VON DOMAROS,DIETMAR,DD;GABLESKE,WILFRIED,DD
发明人
VON DOMAROS,DIETMAR,DD;GABLESKE,WILFRIED,DD
分类号
F16L55/10;(IPC1-7):F16L55/10
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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