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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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1.1 Scope This standard applies to hollow insulators made of ceramic material, with their fixing devices, intended for use with a perman ent gas pressure greater than 0,5 bar having an internal volume equal to or greater than 1 litre (1 000 cm3). They

定价: 819元 / 折扣价: 697

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1 Scope 1.1 This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically-driven, mechanical-compression type, water-to-air and brine-to-air heat pumps. The requireme

定价: 455元 / 折扣价: 387

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1 Scope This technical report outlines principles which are intended to be used as the basis for determining the requirements for connecting large distorting loads (producing harmonics and/or interharmonics) to public power systems. The primary objecti

定价: 1456元 / 折扣价: 1238

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1 Scope 1.1 This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically-driven, mechanical-compression type, water-to-water and brine-to-water heat pumps. The requi

定价: 774元 / 折扣价: 658

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1 Scope This technical report outlines principles which are intended to be used as the basis for determining the requirements for connecting large fluctuating loads (producing flicker) to public power systems. The primary objective is to provide guidan

定价: 1274元 / 折扣价: 1083

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CSA Preface This is the first edition of CAN/CSA-ISO 10002, Quality management - Customer satisfaction - Guidelines for complaints handling in organizations, which is an adoption without modification of the identically titled ISO (International Organiz

定价: 910元 / 折扣价: 774

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ISO/IEC 18028-1 provides direction with respect to networks and communications, including on the security aspects of connecting information system networks themselves, and of connecting remote users to networks.

定价: 1411元 / 折扣价: 1200

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This part of ISO/IEC 18028 defines a network security architecture for providing end-to-end network security.

定价: 910元 / 折扣价: 774

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This part of ISO/IEC 18028 provides an overview of different techniques of security gateways, of components and of different types of security gateway architectures. It also provides guidelines for selection and configuration of security gateways.

定价: 910元 / 折扣价: 774

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