ELECTRIC CABLE

文件类型：PDF文档
文件大小：238K
An electric cable for submersible electric pump devices, comprises conductors made of aluminum or of copper-plated aluminum or its alloys, conductor serving and insulation, and also serving is made of bedding and armor, characterized in that the conductors are made of aluminum or copper-plated by galvanic method aluminum or its alloys, containing the rare or rare-earth metals : zirconium, scandium, yttrium, cerium, lanthanum, vanadium, hafnium or their compounds.