GBJ205-83 the construction and acceptance specification for steel structural engineering.
GB4706.1-1998 the general requirements for the security of home-use electric apparatus or with the similar use.
GB4706.12-1995 the special requirements for the electric water heater with safe water storage of home-use electric apparatus or with the similar use.

GB/T4271-1999
GB4272-92
GB/T6424-1997
GB8175-87
GB/T12936-1991
GB14536.1-199
GB/T15513-1995
GB/T17581-1998
GB50057-1994
GB5305-1998
GB-T75-94
GB50171-1992
GB50207-94 GB50258-96