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