000 00452nam a22001577a 4500
003 OSt
008 090826t xxu||||| |||| 00| 0 eng d
082 _a614.893:620.111.1
110 _aIndian standards institution
240 _aIndian standard
245 _aMethods of test for eye-protectors
_bPart II Optical tests
250 _a1st rev.
260 _aNew Delhi
_bIndian standards institution
_c1981
653 _aIS:7524(Part II)-1979
942 _cISI
999 _c336715
_d336715