Back to B52-13

    Edition History (10 Editions)

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    2009

    B52S1-09

    Active

    2005

    B52-05 (R2009)

    Active

    1992

    CAN/CSA-B52-92

    Withdrawn

    1991

    B52-M1991

    Withdrawn

    1983

    B52-M1983

    Withdrawn

    1977

    B52-M1977

    Withdrawn

    1965

    B52-1965

    Withdrawn

    1951

    B52-1951

    Withdrawn

    1939

    B52-1939

    Withdrawn