000 00249nam a2200073 4500
080 _a
_b
245 _aIS: 3553 - 1966 (Incorporating Amendment No.1) : Specification for Watertight Electric Lighting Fittings
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1972
300 _a14p
999 _c26701
_d26701