Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A
German title
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen. Systemtrenner mit kontrollierbarer druckreduzierter Zone. Familie B. Typ A
Publication date
2023-03-09
Original language
English
Pages
36
Publication date
2023-03-09
Original language
English
Pages
36
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