SC/T 6021-2002 Hydraulic pond-digging set

SC/T 6014-2001 Vertical mud pump SL 17-1990 GB 5013.4-1997 Rubber insulated cables of rated voltages up to and including 450/750V—Part 4:Cords and flexible cables GB/T 5013.4-2008 Rubber insulated cables of rated voltages up to and including 450/750 V—Part 4:Cords and flexible cables GB/T 5657-1995 Technical specifications for centrifugal pumps—Class Ⅲ GB/T 5657-2013 Technical specifications for centrifugal pumps(Class Ⅲ) GB/T 5661-1985 End-suction centrifugal pumps—Dimensions of cavities for mechanical seals and for soft packing GB/T 5661-2004 End-suction centrifugal pumps—Dimensions of cavities for mechanical seals and for soft packing GB/T 5661-2013 End-suction centrifugal pumps—Dimensions of cavities for mechanical seals and for soft packing GB/T 5662-1985 End-suction centrifugalpumps (rating 16 bar)—Designation, nominal duty point and dimensions GB/T 5662-2013 End-suction centrifugal pumps(rating 1.6 MPa)—Designation,nominal duty point and dimensions GB 8181-1987 Performance requirements and tests methods for fire water branch GB 8181-2005 Fire nozzles GB/T 13007-1991 Efficiencies for centrifugal pumps GB/T 13007-2011 Centrifugal pump—Effeciency GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 14048.1-2000 Low-voltage switchgear and controlgear—General rules GB 14048.1-2006 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules JB/T 8512-1996 Piping hose with plastic coating