AS 2054-1977
精密工程中水平仪的使用

Spirit levels for use in precision engineering

标准号

AS 2054-1977

发布

1977年

发布单位

澳大利亚标准协会

 

 

引用标准

AS 1983 AS B140 AS Z33 BS 1133

适用范围

Specifies requirements for three types of levels, viz. Type 1 which is usually made with a flat unrelieved base of hardened steel, Type 2 which usually has a cast iron body, and Type 3 which is a square block level that may be used for checking both flat

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