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International Standard Category: Agricultural tractors and trailed vehicles

JB/T 9839-1999    Technical specifications for orbit hydrostatic steering gear with closed-center rotary valve
摆线转阀式闭心式静液压转向器 技术条件;
Category No.:65.060.10 Valid Status:superseded
Issued Organization:全国拖拉机标准化技术委员会 Issued Date:1999-8-6
Implemented Date:2000-1-1 Abolished Date:2014-07-01
Superseded Standard.:JB/T 9839-2013 Full-hydraulic steering control unit - Cycloid rotary valve and non reaction with closed-center type
Superseded Date:2014-7-1
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