000 00921cam a2200157ua 4500
041 _aeng
_h
082 _a628.292
_bIND/CO
110 1 _aIndian standards institution .
_bISI
_c()
245 _aCode of practice for ancillary structures in sewage system, 4111-1968 Part-4
250 _a1 /
_b.
260 _aNew Delhi :
_bIndian standards institution ,
_c1984.
300 _a17 ; .
504 _a
942 _cBK
999 _c333462
_d333462