1993LS/T 3501.2-1993 General Technical Conditions of Grain and Oil Processing Machinery Mechanical Processing Technical Requirements
1970LS 35-1982 General Technical Conditions of Grain and Oil Processing Machinery Mechanical Processing Technical Requirements
LS 35-1982 General Technical Conditions of Grain and Oil Processing Machinery Mechanical Processing Technical Requirements was changed to LS/T 3501.2-1993 General Technical Conditions of Grain and Oil Processing Machinery Mechanical Processing Technical Requirements.