K-TROLL

INSTRUMENTS AND EQUIPMENT-NAMELY, DETECTOR UNIT FOR SURVEYING THE INTERIOR OF A PIPELINE AS IT PASSES THROUGH, ELECTRO-MECHANICAL TOW CABLEAND ELECTRONIC DATA CONSOLE AND RECORDER, FOR SURVEYING, INSPECTING AND MEASURING PIPELINES AND OTHER FLOW CONDUITS

SURVEYING, INSPECTION AND MEASURING SERVICES FOR PIPELINES AND OTHER FLOW CONDUITS TO THE ORDER AND SPECIFICATION