Countersunk flat head screws (common head style) with type H or type Z cross recess. Product grade A. Part 2. Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws
Information technology. International standardized profile RA. Relaying the connectionless-mode network service. Part 3. CSMA/CD LAN subnetwork-dependent, media dependent requirements
Safety requirements for electrical equipment for measurement, control, and laboratory use. General requirements for equipment intended to be used in educational establishments by children
€10
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