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  • Chopra, I. S.
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    UL Tests the On-Off Sprinkler for Listing.
    Underwriters Labs., Northbrook, IL
    Fire Journal, Vol. 80, No. 6, 19-22, November 1986 <b>AND</b> Sprinkler Age, Vol. 6, No. 4, 28-30, April 1987,

  • Chopra, I. S.
    view article (1.0)

    UL Tests the On-Off Sprinkler for Listing.
    Underwriters Laboratories Inc., Northbrook, IL
    Fire Journal, Vol. 80, No. 6, 19-22, November 1986

  • Chopra, I. S.
    view article (1.0)

    On-Off Sprinkler--A New Concept in Fire Fighting.
    Underwriters Labs., Northbrook, IL
    Lab Data, Vol. 17, No. 4, 4-8, 1987