This standard specifies the requirements for lead and through-hole solder assemblies. This standard applies to the overall lead and hole assembly using the through-hole mounting method (THT), and also applies to the THT part of the assembly using other related methods (ie: surface mount, chip assembly, terminal assembly).
GB/T 19247.3-2003 history
2003GB/T 19247.3-2003 Printed board assemblies--Part 3:Sectional specification-Requirements for through-hole mount soldered assemblies