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发明名称
UEBERDRUCKVENTIL FUER HYDRAULISCHE AUSBAUELEMENTE DES UNTERTAEGIGEN GRUBENBETRIEBS, VORNEHMLICH FUER DEN STEINKOHLEBERGBAU
摘要
申请公布号
DE2815919(A1)
申请公布日期
1979.10.18
申请号
DE19782815919
申请日期
1978.04.13
申请人
THYSSEN INDUSTRIE AG
发明人
BLOCK,SIEGMAR
分类号
F16K37/00;(IPC1-7):E21D23/16
主分类号
F16K37/00
代理机构
代理人
主权项
地址
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