DIN 64905 Cylindrical tubes for textile fabrics standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 45631 Procedure for calculating loudness level and loudness standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 19051-21 Test patterns for micrography; test exposures made to establish the conditions for microfilming of printed documents, literature and newspapers standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 19051-20 Test patterns for micrography; test exposures made to establish the conditions for microfilming of drawings standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 18095-2 Smoke control doors; type testing for durability and leakage standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 16903-4 Insert nuts; heavy type for plastics mouldings and pressure die castings with dead hole standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 18820-1 Laminates of textile glass-reinforced unsaturated polyester and phenacrylic resins for load-bearing structural members (GF-UP, GF-PHA); structure, manufacture and characteristics standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 18820-2 Laminates of textile glass-reinforced unsaturared polyester and phenolic resins for load-bearing structural members (GF-UP, GF-PHA); physical parameters for standard laminates standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 18820-3 Laminates of textile glass-reinforced unsaturated polyester and phenacrylic resins for load-bearing structural members (GF-UP, GF-PHA); protective measures for load-bearing laminates standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 18820-4 Laminates of textile glass-reinforced unsaturated polyester and phenacrylic resins for load-bearing structural members (GF-UP, GF-PHA); tests and quality control standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 25495 Determination of density and total porosity of uranium dioxide pellets by the mercury displacement method standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991
DIN 86015 Application and installation of unplasticized polyvinyl chloride (PVC-U) pipework with cemented joints on ships standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1991