2014SB/T 224-2013 General specification for food machinery.Technical requirements for assembling
2007SB/T 224-2007 General specification for food machinery- Technical requirments for assembling
1970SB 224-1985 General technical conditions for food machinery Assembly technical requirements
SB 224-1985 General technical conditions for food machinery Assembly technical requirements was changed to SB/T 224-2007 General specification for food machinery- Technical requirments for assembling.