共找到 132 条与 卫生、安全、劳动保护 相关的标准,共 9 页
AUTOMATIC MAINTENANCE PROCEDURES FOR INTERNATIONAL GROUP, SUPERGROUP, ETC., LINKS
AUTOMATIC MAINTENANCE PROCEDURES FOR INTERNATIONAL GROUP, SUPERGROUP, ETC., LINKS
Only measurements of the pilot level are made on international group, supergroup,etc.links.These do not involve other stations.Therefore,Administrations are free to decide on the methods and periodicities.In order to ensure that the performance limits of the links laid down in Recommendation M.160 are met,the following tests are recommended for consideration.
Automatic Maintenance Procedures for International Group, Supergroup, Etc., Links - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits
ROUTINE MAINTENANCE ON INTERNATIONAL GROUP, SUPERGROUP, ETC., LINKS
Only measurements of the pilot level are made on international group, supergroup,etc.links.These do not involve other stations. Therefore,Administrations are free to decide on the methods and periodicities.In order to ensure that the performance limits of the links laid down in Recommendation M.160 are met,the following tests are recommended for consideration.
Routine Maintenance on International Group, Supergroup, Etc., Links - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits
READJUSTMENT TO THE NOMINAL VALUE OF AN INTERNATIONAL GROUP, SUPERGROUP, ETC., LINK
UL Standard for Safety Information Technology Equipment �C Safety �C Part 1: General Requirements - Section / Paragraph Reference: 4.3.8@ 4.3.13.5.1@ and NAE 4.3.13.5.1 Subject: Laser Pointers (Edition 2: March 27@ 2007)
Non-ionizing radiation hazard in frequency range of 10 -- 300,000 MHz
Design specifications for occupational safety and health in electronic industry
UL Standard for Safety Information Technology Equipment �C Safety �C Part 1: General Requirements - Section / Paragraph Reference: 4.3.8@ 4.3.13.5.1@ and NAE 4.3.13.5.1 Subject: Laser Pointers (Edition 2: March 27@ 2007)
Design specifications for occupational safety and health in electronic industry
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