HJ/T 250-2006 Specifications for environmental protection product Rotating fine screen

CJ 26.3-1991 Urban sewage water quality testing method standard: Determination of easy settling solids by volume method GB/T 11901-1989 Water quality—Determination of suspended substance—Gravimetric method GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3280-1992 Cold rolled stainless steel sheets and plates GB/T 3280-2007 Cold rolled stainless steel plate, sheet and strip GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 4237-1992 Hot rolled stainless steel sheets and plates GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip GB/T 4237-2015 Hot rolled stainless steel plate,sheet and strip GB/T 6388-1986 Transport package shipping mark GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels JB/T 2932-1999 Water treatment equipment technical specifications JB/T 2982-2016 Cycloidal needle wheel reducer JB/T 2982-1994 Cycloidal Gear Reducer JB/T 4266-2015 Arc Screens JB/T 4266-1999 Arc screen JB/T 4266-2025 Curved Sieve Net GB/T 191-2025 Graphical symbols marking for handling and storage of packages