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发明名称
VORRICHTUNG ZUM ABSPERREN VON GASLEITUNGS-ROHRABSCHNITTEN
摘要
申请公布号
DE2840165(A1)
申请公布日期
1980.03.27
申请号
DE19782840165
申请日期
1978.09.15
申请人
RUHRGAS AG;DIE GASHEIZUNG GMBH
发明人
DEWAL,SHRIRAM,ING.;HILLRINGHAUS,KARL-HEINZ,ING.
分类号
F16K7/10;(IPC1-7):F16L55/12
主分类号
F16K7/10
代理机构
代理人
主权项
地址
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