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Standard 1477, Edition 4

UL LLC Outline of Investigation for Compressed Gas Shutoff Valves

UL Outline © 2017 UL LLC
1477, Edition 4 Edition Date: July 25, 2014 $225.00-$250.00
Summary of Topics o1477_4_sum.html

Summary of Topics

This fourth issue of the Outline of Investigation for Compressed Gas Shutoff Valves, UL 1477, is being issued to delete the reference to the carbon arc test in paragraph 21.2 as this test is obsolete.

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