作者: Wilhelm Lutzer , Karsten Roederer , Claus Hoffjann
DOI:
关键词:
摘要: A water-transporting line includes an integrated heater system for protection against frost and the appropriate connection, attachment control elements. self-heating water conduit segment is provided that has heating device, which device encloses outer surface of segment. The various segments may be connected mechanically electrically using corresponding connecting