000
00238nam a2200073 4500
080
_a
_b
245
_a
IS: 1885 (Part XVII) - 1979; Electrotechnical vocabulary Part XVII Switchgear and controlgear
700
_a
INDIAN STANDARDS INSTITUTION
260
_a
New Delhi
_b
BIS
_c
1979
300
_a
37p
999
_c
31344
_d
31344