Vietnamese standard

137 Lê Quang Định P14 Q. Bình Thạnh

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Vietnamese standard

QCVN 12:2014/BXD

National Technical Regulation on Electrical Installations of Dwelling and Public Buildings

TCVN 4530:2011

Filling station - Specifications for design

QCVN 24:2016/BYT

National Technical Regulation on Noise - Permissible Exposure Levels of Noise in the Workplace

QCVN 2015/BCT

National Technical Regulation on Electric Power Technical

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