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1 Scope Interest in magnetic fields has been stimulated in recent years by concern over the physiological effects they may have on humans and animals and the deleterious effects they have on the performance of some electrical equipment, particularly vi

定价: 1183元 / 折扣价: 1006

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1. Scope This part of ISO 14269 specifies a test method for simulating solar heating in the laboratory and measuring the radiant heat energy from a natural or simulated source. This standard is applicable to tractors and self-propelled machines for agr

定价: 273元 / 折扣价: 233

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1. Scope This part of ISO specifies a test procedure which will provide for uniform measurement of the pressurization inside an operator enclosure of tractors and self-propelled machines for agriculture and forestry when equipped with a ventilation sys

定价: 273元 / 折扣价: 233

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1. Scope This part of ISO 14269 specifies a uniform test method for determining performance levels of operator enclosure panel-type air filters. It is applicable to tractors and self-propelled machines for agriculture and forestry when equipped with an

定价: 364元 / 折扣价: 310

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1 Scope This part of IEC 61000 is concerned with conducted disturbances in the frequency range from 0 kHz to 9 kHz. It gives numerical compatibility levels for industrial and non-public power distribution systems at nominal voltages up to 35 kV and a n

定价: 1274元 / 折扣价: 1083

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1. Scope This part of ISO 14269 specifies a uniform test method for measuring the contribution to operator environmental temperature and humidity provided by an air-conditioning, heating and ventilation system operating in a specific ambient environmen

定价: 410元 / 折扣价: 349

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1. Scope ISO 14269 specifies test methods and criteria for the evaluation of the operator enclosure in agricultural and forestry tractors, and self-propelled machines. This part of ISO 14269 gives terms and definitions which are used in the other pa

定价: 319元 / 折扣价: 272

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1 Scope This technical report recommends the procedures to assess the disturbance levels produced by the emission of the devices, equipment and systems installed in non-public networks in industrial environment as far as the low-frequency conducted dis

定价: 1684元 / 折扣价: 1432

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