000 00330nam a2200109Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:3432-1965. Indian standard specification for clay pipe triangles.
260 _aNew Delhi
_bBureau of Indian Standards
_c1997
300 _a7p.
890 _aIndia
999 _c18838
_d18838