标准样品工作导则 第7部分:标准样品生产者能力的通用要求
Directives for the work of reference materials-Part 7:General requirements for the competence of reference material producers
Directives for the work of reference materials-Part 7:General requirements for the competence of reference material producers
Directives forthe work of reference materials(1)-General rules for description of reference materials in technical standards
Directives for the work of reference materials-Part 4:Contents of certificates, labels and accompanying documentation
Directives for the work of reference materials-Part 2:Selected terms And definitions
Directives for the work of reference materials-Part 8:Good practice in using reference materials
Standard method for using radiochromic filmnand polymethylmethacrylate dosimetry system to measure absorbed dose
Central kitehen-Specifications for operation and management
Round and elongated apertures with round and square plate sereens
Thermal spraying-Wires,rods and cords for flame and arc spraying Classification and technical supply condition
General specification for multifunctional solutionof iron and steel surface treatment