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ASHRAE/IES 90.1cn:2016
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API SPEC 19V:2019

API SPEC 19V:2019

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IEEE C57.13.7:2019

IEEE C57.13.7:2019

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TIA-168

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ASME PTC 19.1-2018

ASME PTC 19.1-2018

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ASHRAE/IES 90.1cn:2016

ASHRAE/IES 90.1cn:2016

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