000 00248nam a2200073 4500
080 _a
_b
245 _aIS: 13947 (Part 1) - 1993; Specification for low-voltage switchgear and controlgear part 1 general rules
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1993
300 _a139p
999 _c34205
_d34205