1. Scope 1.1 This Standard applies only to gapless metal oxide surge arresters of separate mounting or those supplied integrally with other equipment. The surge arresters are designed to limit voltage surges in 50 or 60 Hz alternating current power ci

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定价： 683元 / 折扣价： 581 元

1. Scope This clause of Part 1 is replaced as follows: 1.1 This standard applies to automatic electrical burner control systems for the automatic control of burners for oil, gas, coal or other combustibles for household and similar use including he

定价： 819元 / 折扣价： 697 元

Update #1 was published as notification that this is now a National Standard of Canada This PDF includes Update #1 1. Scope 1.1 This Code provides requirements for the installation of, or alteration to, hydronic heating systems, including (a)bo

定价： 683元 / 折扣价： 581 元

Information technology - Multimedia content description interface - Part 1: Systems AMENDMENT 1: Systems extensions

定价： 1593元 / 折扣价： 1355 元

Information Technology - Multimedia Content Description Interface - Part 1: Systems AMENDMENT 2: Fast Access Extension

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CSA Preface This is the second edition of CAN/CSA-ISO 10005, Quality management systems - Guidelines for quality plans, which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 10

定价： 910元 / 折扣价： 774 元

1 Scope This International Standard gives guidance on the application of quality management in projects. It is applicable to projects of varying complexity, small or large, of short or long duration, in different environments, and irrespective of the k

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1 Scope This International Standard gives guidance on the use of configuration management within an organization. It is applicable to the support of products from concept to disposal. It first outlines the responsibilities and authorities before des

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Preface This is the first edition of CAN/CSA-ISO 10012, Measurement management systems - Requirements for measurement processes and measuring equipment, which is an adoption without modification of the identically titled ISO (International Organization

定价： 819元 / 折扣价： 697 元

1.1 This International Standard specifies requirements for pressure regulators and pressure regulators with flow-metering devices intended for the administration of medical gases in the treatment, management, diagnostic evaluation and care of patients. It

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This Standard specifies the Services and Event Reports for Computer-Supported Telecommunications Applications, Phase III (CSTA).

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This PDF includes Update No. 2 and Update No. 3 1. Scope 1.1 This Standard applies to devices that automatically reduce the initial pressure to a set lower pressure in water systems and are self-acting spring-operated devices. It applies to devices

定价： 364元 / 折扣价： 310 元