Specifies requirements for tubular steel mast arms that are designed to support traffic signal lanterns and associated equipment above the roadway. Also applies to joint-use mast arms that, in addition to supporting traffic signal lanterns, are designed
AS 2979-1998由澳大利亚标准协会 AU-SA 发布于 1998-05-15,并于 1998-09-05 实施。
AS 2979-1998在国际标准分类中归属于: 93.080.30 道路设备和装置。
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