| 发明名称 |
Device for measuring overpressures, underpressures and differential pressures in mining |
| 摘要 |
The device for measuring overpressures, underpressures and differential pressures in mining consists of an electrical measuring circuit, the pressure being detected by an electrical pressure pickup whose electrical output signal is indicated by a digital display, the entire circuit and the power supply being arranged in an intrinsically safe housing.
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| 申请公布号 |
DE3512794(A1) |
申请公布日期 |
1986.10.16 |
| 申请号 |
DE19853512794 |
申请日期 |
1985.04.10 |
| 申请人 |
SEBA-DYNATRONIC MESS- UND ORTUNGSTECHNIK GMBH |
发明人 |
WEILER,HORST,DIPL.-ING.DR.-ING. |
| 分类号 |
G01L9/00;G01L9/06;G01L19/14;(IPC1-7):G01L9/06;G01L13/06;E21F17/00 |
主分类号 |
G01L9/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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