Code for construction and acceptance of 750kV overhead transmission line

WITHDRAWN published on 26.9.2006

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WITHDRAWN published on 1.1.1984

Chinese fir-tree poles

WITHDRAWN published on 25.1.1999

Code for installation acceptance of coking and chemical mechanical equipment engineering

WITHDRAWN published on 6.9.2006

Design code for oilfield water injection

WITHDRAWN published on 24.8.2006

Code for design of cooling tower for mechanical ventilation

WITHDRAWN published on 6.9.2006

Technical code for anticorrosive engineering of the steel petroleum tank

WITHDRAWN published on 1.1.2008

Code for design of rolling process on seamless steel tubes

WITHDRAWN published on 1.1.2006

Code for design of small capacity mine of coal industry

WITHDRAWN published on 29.11.2006

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WITHDRAWN published on 1.1.1977