2017SB/T 227-2017 General specification for food machinery- Technical requirments for electrical installations
2007SB/T 227-2007 General specification for food machinery- Technical requirments for electrical installations
1970SB 227-1985 General Technical Conditions for Food Machinery Basic Technical Requirements for Electrical Devices
SB 227-1985 General Technical Conditions for Food Machinery Basic Technical Requirements for Electrical Devices was changed to SB/T 227-2007 General specification for food machinery- Technical requirments for electrical installations.