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GB/T 12273.501-2012 Quartz crystal units A specification in the quality assessment system for electronic components Part 5.1: Blank detail specification- qualification approval 180.0 via email in 1~3 business day valid
TB/T 3176-2007 General Technical Requirements for Railway Signal DC Neutral Relays 135.0 via email in 1~3 business day valid
GB/T 21711.1-2008 Electromechanical elementary relays—Part 1:General and safety requirements 660.0 via email in 1~3 business day valid
JB/T 9574-2000 Under-frequency relay and equipment 120.0 via email in 1~3 business day valid
SJ 50065/15-2008 detail specification for model jmw-270m,to-5,hermetically sealed magnetic latching relays,established reliability 195.0 via email in 1~3 business day valid
GB/T 16608.55-2012 Electromechanical all-or-nothing relays - Part 55: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 11mm×7,5mm (max)base 480.0 via email in 1~5 business day valid
GB/T 16608.1-2003 Electromechanical elementary all-or-nothing relays of assessed quality-Part 1:Generic specification 120.0 via email in 1~3 business day valid
DL/T 872-2004 Specification of single phase earthed relay in non-effective earthed power system 240.0 via email in 1~3 business day valid
SJ 50065/12-2004 Detail specification for model JRW-220M TO-5 hermetically sealed d.c. electromagnetic relays established reliability 180.0 via email in 1~3 business day valid
JB/T 9568-2000 General specification for relay protection and automation equipment of power system 330.0 via email in 1~3 business day valid
GB/T 16608.54-2012 Electromechanical all-or-nothing relays - Part 54: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 15mm×7,5mm base 480.0 via email in 1~5 business day valid
JB/T 3779-2002 High speed auxiliary relay 165.0 via email in 1~3 business day valid
GB/T 14598.13-2008 Electrical relays - Part 22-1:Electrical disturbance tests for measuring relays and protection equipment - 1 MHz burst immunity tests 135.0 via email in 1~3 business day superseded
GB/T 9080-1988 General technical requirements for railway signal DC neutral relays 120.0 via email in 1~3 business day superseded
JB/T 6513-2002 Furnace safeguard supervision system 150.0 via email in 1~3 business day valid
GB/T 7261-2008 Basic testing method for relaying protection and security automatic equipment 360.0 via email in 1 business day superseded
GB/T 6902-2001 Testing methods for railway signal relays 330.0 via email in 1~5 business day superseded
GB/Z 22074-2016 Reliability test method for moulded-case circuit-breakers 375.0 via email in 1~5 business day valid
GB/T 14598.13-1998 Electrical disturbance tests for measuring relays and protection equipment Part 1: 1 MHz burst disturbance tests 180.0 via email in 1~3 business day superseded
JB/T 3909-1999 Thermal Overload Relay for Machine Tools 375.0 via email in 1~5 business day valid
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