GB/T 23722-2009 Standard PDF file download ; GB/T 23722-2009 Standard english preview version download

GB Standard Code	GB/T 23722-2009
Standard Category	China National Standards
GB Standard English Title	Cranes - Competency repuirements for crane drivers(operators), slingers, signallers and assessors
GB Standard Chinese Title	起重机司机（操作员）、吊装工、指挥人员和评审员的资格要求
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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