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Author Topic: Proprietary piping systems  (Read 2027 times)

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Offline justinventions

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Proprietary piping systems
« on: November 09, 2009, 10:05:01 AM »
Does anyone have a answer for me about, how I would find out if a proprietary gas piping system meets compliance for NZ .? I thought the ESS website might have something, but I didn't find it there.

Linkback: https://www.plumbers.nz/gas-station/11/proprietary-piping-systems/331/


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