Method for cleaning a water main

A method for cleaning a section of a trunk water main 1 between upstream and downstream control valves 2, 3 for the main 1 comprises fitting a first access port 4 into the main 1 at a first locus of the main, and fitting a second access port 5 into the main 1 at a second locus downstream of the firs...

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Bibliographische Detailangaben
1. Verfasser:	JOHN GARTON
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLEANING CLEANING IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PREVENTION OF FOULING IN GENERAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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