77395984
Feb 13, 2008
Aug 25, 2009
GEOPHYSICAL SURVEYING APPARATUS AND INSTRUMENTS FOR USE IN LOCATING, TRACING, IDENTIFYING AND FAULT-FINDING IN RELATION TO UNDERGROUND CABLES, PIPES AND DRAINS; ELECTROMAGNETIC FIELD DETECTORS; FLOW SENSORS; TEMPERATURE SWITCHES; AND PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS
Electrical and Scientific Apparatus