000 00475nam a2200157Ia 4500
008 170101s1981 xx 000 0 und d
082 _a389.6 I-2S
100 _aIndian Standards Institution, New Delhi
245 0 _aSpecification for pressure reducing valves for demestic water supply systems
260 _bNew Delhi
_c1981
300 _a11,1p
440 _aIS : 9739--1981
650 _aVALVES -- SPECIFICATIONS
653 _aVALVES -- SPECIFICATIONS
942 _2ddc
_cB
999 _c79339
_d79339