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 |