000 | 006600000a22001810004500 | ||
---|---|---|---|
999 |
_c61006 _d61006 |
||
027 |
_aSLS 923 : Part 1 :1991 _q1991 |
||
041 | _aeng | ||
080 | _a674.04:621.315.66:66.099.4 | ||
942 | _cSD | ||
110 | _aSRI LANKA STANDARDS INSTITUTION | ||
245 | _aSLS 923 : Part 1 : 1991 : Specification for copper/chrome/arsenic preservative treatment of wood poles for overhead power and telecommunication lines : part 1 - treatment processes | ||
260 |
_aColombo _bSri Lanka Standards Institution _c1991 |
||
300 | _a12p. | ||
500 | _aSTD3037 | ||
650 | _aa674.04:621.315.66:66.099.4 | ||
650 | _aPOWER TRANSMISSION-STANDARDS | ||
650 | _aSRI LANKA-STANDARDS |