首页 > 专利信息

PROCESS AND DEVICE FOR LOCATING A GROUND FAULT

申请公布号:DE3168892(D1)

申请号:DE19813168892

申请日期:1981.07.23

申请公布日期:1985.03.28

申请人:
BBC AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.

发明人:HECHT, SIEGFRIED

分类号:G01R31/08;H02H7/26;(IPC1-7):G01R31/08

主分类号:G01R31/08

专利推荐

CURVED SURFACE TIP SAW

STROKE DETECTION DEVICE FOR ROTATING CYLINDER

COATED HARD METAL TOOL

DEVICE THAT FIXES DIE TO DIE TABLE OF TABLET MACHINE

TWO ELECTRODE FILLET WELDING METHOD IN CONSUMABLE ELECTRODE WELDING

CONTROL DEVICE FOR WELDING ROBOT

METHOD FOR TAKING OFF PIN WITH SCREW FOR HOLE AS CAST AND DEVICE THEREFOR

CUT SCRAP CUTTING DEVICE FOR DRILLING MACHINE WITH AUTOMATIC FEEDING DEVICE

SPLIT TORCH

PRODUCTION OF POWER TRANSFER ELEMENT

TENSION ROLL

MANUFACTURE OF STEEL SHEET FOR CANS EXCELLENT IN EARING PROPERTY

TREATMENT OF DREDGING MUD AND SOIL AND APPARATUS THEREFOR

WATER TREATMENT DEVICE AND WIRE LECTRODISCHARGE MACHINE INCORPORATING THIS WATER TREATMENT DEVICE

METHOD FOR CLEANING MOLTEN STEEL IN TUNDISH

ADAPTER IN CONNECTION STRUCTURE OF SHEATH HEATER

BUILT-UP ROLLING ROLL FOR SHAPE AND MANUFACTURE THEREOF

CLEANING OF BOTTLE INTERIOR AND DEVICE USING SAID METHOD

SWEEPING DEVICE WITH SCREEN FOR ADHERENT RAW MATERIAL AND METHOD FOR SCREENING AND SWEEPING ADHERENT RAW MATERIAL

METHOD FOR LINING INNER SURFACE OF PIPE