En资源列表

[国外标准] BS EN 50367-2006 Railway applications — Current collection systems — Technical criteria for the inte

[国外标准] BS EN 50356-2002 Method for spark testing of cables

[国外标准] BS EN 50342-2001 Lead-acid starter batteries — General requirements, methods of test and numbering

[国外标准] BS EN 50334-2001 Marking by inscription for the identification of cores of electric cables

[国外标准] BS EN 50329-2003 Railway applications – Fixed installations – Traction transformers

[国外标准] BS EN 50319-1999 Proximity devices Requirements for proximity devices with analogue output

[国外标准] BS EN 50310-2006 Application of equipotential bonding and earthing in buildings with information tec

[国外标准] BS EN 50299-2002 Oil-immersed cable connection assemblies for transformers and reactors having highe

[国外标准] BS EN 50291-2001 Electrical apparatus for the detection of carbon monoxide in domestic premises — Te

[国外标准] BS EN 50290-1-1-2001 通信电缆.总则 Communication cables - General

[国外标准] BS EN 50271-2001 Electrical apparatus for the detection and measurement of combustible gases,

[国外标准] BS EN 50270-2006 Electromagnetic compatibility — Electrical apparatus for the detection and

[国外标准] BS EN 50263-1999 Electromagnetic compatibility (EMC) Product standard for measuring relays and prote

[国外标准] BS EN 50216-11-2008 Power transformer and reactor fittings. Oil and winding temperature indicators

[国外标准] BS EN 50216-10-2009 Power transformer and reactor fittings — Part 10 Oil-to-air heat exchangers

[国外标准] BS EN 50209-1999 Test of insulation of bars and coils of high-voltage machines

[国外标准] BS EN 50207-2000 Railway applications - Electronic power converters for rolling stock

[国外标准] BS EN 50200-2006 Method of test for resistance to fire of unprotected small cables for use in emerge

[国外标准] BS EN 50200-2000 Method of test for resistance to fire of unprotected small cables for use in emerge

[国外标准] BS EN 50194-1-2009 Electrical apparatus for the detection of combustible gases in domestic premises

[国外标准] BS EN 50191-2001 Erection and operation of electrical test equipment

[国外标准] BS EN 50182-2001 Conductors for overhead lines — Round wire concentric lay stranded conductors

[国外标准] BS EN 50178-1998 Electronic equipment for use in power installations

[国外标准] BS EN 50177-1997 Automatic electrostatic spraying installations for flammable coating powder

[国外标准] BS EN 50174-2-2009 Information technology — Cabling installation — Part 2 Installation planning and