000 00411nam a22001577a 4500
005 20220519104849.0
008 100303t xxu||||| |||| 00| 0 eng d
082 _a620.8/6
_bCHA
100 _aChacko, P. E.
_95353
245 _aSafety engineering
_cBy P.E. Chacko
250 _aRev. ed.
300 _aii,292p.
653 _aIndustrial safety
942 _cBK
260 _aThodupuzha
_bRose Chacko Pachickara
_c1972
999 _c266116
_d266116