Wide-mouth glass containers — Deviation from flatness of top sealing surface — Test methods
1991-12-11
ISO 9818:1991
Passenger cars — Engine cooling systems — Test methods and marking of pressure caps
1991-12-04
ISO 9817:1991
Passenger cars — Engine cooling systems — Dimensions of pressure caps and their ramp seats on filler necks
1991-12-04
IEC 60041:1991
Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines
1991-11-29
IEC 60041:1991
Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines
1991-11-29
IEC 60041:1991
Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines
1991-11-29
IEC 60050-721:1991
International Electrotechnical Vocabulary - Chapter 721: Telegraphy, facsimile and data communication
1991-11-29
IEC 61069-1:1991
Industrial-process measurement and control - Evaluation of system properties for the purpose of system assessment - Part 1: General considerations and methodology
1991-11-29
IEC 60315-6:1991
Methods of measurement on radio receivers for various classes of emission - Part 6: General purpose communication receivers
1991-11-28
ISO 7440-1:1991
Road vehicles — Fuel injection equipment testing — Part 1: Calibrating nozzle and holder assemblies
1991-11-27
ISO 6370-1:1991
Vitreous and porcelain enamels — Determination of the resistance to abrasion — Part 1: Abrasion testing apparatus
1991-11-27
ISO 1842:1991
Fruit and vegetable products — Determination of pH
