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SLS 859 : part 1 : 1989 : Specification for preservative treatment with coal tar creosote of wood poles for overhead power and telecommunication lines : part I - treatment processes - Colombo SRI LANKA STANDARDS INSTITUTION 1989 - 12p.

STD2992

SLS 859 : Part 1 : 1989


a674.04:621.315.66:66.099.4
POWER TRANSMISSION-STANDARDS
SRI LANKA-STANDARDS

674.04:621.315.66.099.4

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