000 00373nam a2200121Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:11993-1987. Indian standard code of practice for use of screed board concrete vibrators.
260 _aNew Delhi
_bBureau of Indian Standards
_c1987
300 _a8p.
500 _aENG
890 _aIndia
999 _c18035
_d18035