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hole type

hole type, Total:3 items.

In the international standard classification, hole type involves: Equipment for the chemical industry.

Professional Standard - Chemical Industry, hole type

• HG/T 21514-2014 Technical specification of steel manholes and handholes
• HG/T 21514-2005 Types and technical conditions of steel manholes and handholes
• HG/T 21514-2005（编制说明） Types and technical conditions of steel manholes and handholes

Others:   hole unit, type of ability, type of ms, Type of center pillar, column type, type of ms, type of rotor, type of pcr, type of pollution, type of soil, hole type, hole type, type of notification, type of flame, Electrode Type, Classification of holes, type of virus, type of virus, Type of flap, type of inflorescence.