IEC 61156-1:2009, consolidated version, consists of the third edition (2007) and its amendment 1 (2009). The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. It bears the edition number 3.1
IEC 61156-1 Ed. 3.1 b:2009 History
IEC 61156-1 Ed. 4.0 b:2023
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IEC 61156-1 Ed. 3.1 b:2009
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IEC 61156-1 Ed. 3.0 b:2007
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IEC 61156-1 Ed. 3.0 b:2007
$164.00 $329.00
IEC 61156-1 Ed. 2.0 b:2002
$92.00 $184.00
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