定价： 1638元 / 折扣价： 1393 元

1. Scope This clause of part 1 is applicable except as follows: 1.1 Modification: Replace the first paragraph by: This International Standard applies to transportable circular saws intended for cutting wood and similar materials with a blade

定价： 546元 / 折扣价： 465 元

1. Scope This clause of part 1 is applicable except as follows: 1.1 Modification Replace the first paragraph by: This International Standard applies to transportable band saws having a length of the saw band not more than 2 500 mm and band wh

定价： 410元 / 折扣价： 349 元

1. Scope This clause of part 1 is replaced by: This standard deals with the safety of electric water-bed heaters and their associated control units, for household and similar purposes, their rated voltage being not more than 250 V. Appliances not

定价： 546元 / 折扣价： 465 元

1. Scope This clause of part 1 is replaced by: This standard deals with the safety of milking machines to be used in stalls and in the open, which are designed for milking farm animals, such as cows, the rated voltage of the milking machine being no

定价： 546元 / 折扣价： 465 元

1. Scope This clause of Part 1 is replaced as follows: 1.1 In general, this standard applies to timers and time switches for household and similar use that may use electricity, gas, oil, solid fuel, solar thermal energy, etc. or a combination there

定价： 1001元 / 折扣价： 851 元

1. Scope This standard covers ballasts, excluding resistance types, for use on a.c. supplies up to 1 000 V at 50 Hz or 60 Hz, associated with tubular fluorescent lamps with or without pre-heated cathodes operated with or without a starter or starting d

定价： 1456元 / 折扣价： 1238 元

定价： 1502元 / 折扣价： 1277 元

定价： 2230元 / 折扣价： 1896 元

定价： 774元 / 折扣价： 658 元

1. Scope 1.1 This standard applies to electric motor-operated or magnetically-driven tools, intended for indoor and for outdoor use, which have all the following characteristics: (a) easily moved by one person, simple devices to facilitate transpor

定价： 2412元 / 折扣价： 2051 元

1 Scope This part of IEC 60974 specifies safety and performance requirements for industrial and professional equipment used in arc welding and allied processes to feed filler wire. The wire feeder may be a stand-alone unit which may be connected to a sep

定价： 728元 / 折扣价： 619 元

1. Scope This clause of Part 1 is replaced as follows: 1.1 In general, this part of International Standard IEC 730 applies to energy regulators for use in, on or in association with equipment for household and similar use, including energy regulato

定价： 592元 / 折扣价： 504 元

1. Scope This standard specifies the safety and interchangeability requirements, together with the test methods and conditions, required to show compliance of tubular fluorescent and other gas-discharge lamps with integrated means for controlling start

定价： 1047元 / 折扣价： 890 元

定价： 1047元 / 折扣价： 890 元