Crossarm brace for utility pole

作者: Marion R. Farmer

DOI:

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摘要: An extension brace for supporting a crossarm on utility pole, having an insulated central section and ribbed brackets attached to the opposite ends of section, with carrying drilled strap means attachment pole crossarm, formed incorporating integrally disposed hook partial embedment within proximate which connect.

参考文章(2)
Marion R Farmer, Crossarm brace means ,(1968)
Melnikov Lev K, PLATE PARTS JOINT ,(1980)