GB/T 21972.3-2013 Standard PDF file download ; GB/T 21972.3-2013 Standard english preview version download

GB Standard Code	GB/T 21972.3-2013
Standard Category	China National Standards
GB Standard English Title	Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications―Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors (cooled with centrifugal fan)for crane and met
GB Standard Chinese Title	起重及冶金用变频调速三相异步电动机技术条件第3部分：YZP系列起重及冶金用变频调速三相异步电动机（离心风机冷却）
Chinese Version Price	$15 USD per 50 pages
English Translation Price	About $15 per 1 page; Inquire us for detail price

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