000 00250nam a2200073 4500
080 _a
_b
245 _aIS: 9507 - 1979; Specification for General Purposes Electric Power Driven Winches for Lifting and Hauling
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1980
300 _a19p
999 _c29161
_d29161