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Smart public intercom systems. Technical requirements and test methods
Document status: Active
Quality requirements for fusion welding of metallic materials. Part 5. Documents with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO 3834-3 or ISO 3834-4
Document status: Active
Alloyed and high-alloyed steels. Methods of silicon determination
Document status: Active
Resources saving. Waste treatment. Certificate of wastes hazard. General requirements
Document status: Withdrawn
Overhead contact line for high speed railways. Technical requirements and control methods
Document status: Active