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Professional Standard Category: Professional Standard - Hydropower

SD 277-1988    Technical Specifications for Static Power Direction Relay
静态功率方向继电器技术条件 ;
Category No.:SD Valid Status:superseded
Issued Organization: Issued Date:
Implemented Date:1988-7-1 Abolished Date:
Superseded Standard.:DL/T 1772-2017
Superseded Date:2018-6-1
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SD 184-1986   SD 174-1985   SDGJ 62-1984   SD 146-1985   SD 305-1989   SD 230-1987   SDGJ 77-1986   SD 328-1989   SD 289-1988   SD 204-1986   SDJ 212-1983   SDEP-SPT-ST2013-2008   SDEP-SPM-GS0002-2008   SDGJ14-1986   SD 218.6-1987   SD 188-1986   SD 331-1989   SD 238-1987   SD 128-004-1984   SDJ 249.6-1988  

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