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Atmospheric vacuum breaker (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Atmospheric vacuum breaker" in English language version.

refsWebsite
Global rank English rank
1contractormag.com
low place
low place
1web.archive.org
1st place
1st place

contractormag.com

  • Marcello, Tony (June 10, 2016). "Vacuum Breakers: Understanding how they protect our water". Contractor. Archived from the original on 2020-06-15.

web.archive.org

  • Marcello, Tony (June 10, 2016). "Vacuum Breakers: Understanding how they protect our water". Contractor. Archived from the original on 2020-06-15.