Specifies poles suitable for electricity transmission and telecommunications purposes, as (a) species not requiring full length preservative treatment, (b) hardwood species requiring full length preservative treatment, and (c) softwood species requiring full length preservative treatment. A test to determine sapwood thickness in softwood poles is included.
Product Information
Published:
12/31/1978
Pages:
16
File Size:
1 file , 1 MB
Language:
English
Note:
This product is unavailable in Russia, Belarus