PNST 429-2020

Welding of polymeric materials. Extrusion welding of pipes, piping parts and panels

Gasoline brush-saws. Circular saw-blades. General technical requirements. Method of test. Marking and designation

Leather. Method of determination of chlorides content

System of standards on information, librarianship and publishing. Format for representation on machine-readable media of information retrieval languages vocabularies and terminological data. Content of a record

Motor vehicles with hydrogen fuel cells, class M3, N3. Hydrogen gas fueling protocols

Statistical methods. Sampling procedures for inspection by variables. Part 1. Specification for single sampling plans indexed by acceptance quality limit for lot-by-lot inspection for a single quality characteristic and a single AQL