000 | 00259nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIS: 778 - 1984 Reaffirmed 1990; Specification for copper alloy gate, globe and check valves for water works purposes | ||
700 | _aBureau of Indian Standards | ||
260 |
_aNew Delhi _bBIS _c1986 |
||
300 | _a25p | ||
999 |
_c34588 _d34588 |