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SLS 848 : part 4 : 1989 : Specification for wood poles for overhead power and telecommunication lines : part 4 : determination of mechanical and physical properties of poles - Colombo SRI LANKA STANDARDS INSTITUTION 1989 - 20p.

STD2987

SLS 848 : Part 4 : 1989


a621.315:668.1:674.04
POWER TRANSMISSION-STANDARDS
SRI LANKA-STANDARDS

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