This standard specifies the model compilation method for oil drilling and production machinery products. This standard applies to special equipment and tools for petroleum drilling and production, but does not apply to petroleum-specific automobile products.
SY/T 6327-1997 history
2005SY/T 6327-2005 Oil field drilling and production equipment-mtehod of type designation
1997SY/T 6327-1997 Oil field drilling and production equipment--Method of type designation