000 00312nam a2200073 4500
080 _a
_b
245 _aIEC: 34-5-1991; Rotating electrical machines Part 5- Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code)
100 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1991
300 _a37p
999 _c33550
_d33550