000 00356nam a2200121Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:11931-1987. Indian standard specification for sewer deaning metal rods.
260 _aNew Delhi
_bBureau of Indian Standards
_c1987
300 _a6p.
500 _aENG
890 _aIndia
999 _c18028
_d18028