Normas ISO

Information technology -- International Standardized Profile RC -- X.25 Protocol relaying-- Part 5: Definition of profile RC51.1111, X.25 protocol relaying between CSMA/CD LAN subnetworks and PSDNs using virtual calls over a PSTN leased line permanent access

Connections for general use and fluid power -- Ports and stud ends with ISO 725 threads and O-ring sealing-- Part 1: Ports with O-ring seal in truncated housing

Connections for general use and fluid power -- Ports and stud ends with ISO 725 threads and O-ring sealing-- Part 2: Heavy-duty (S series) stud ends

Connections for general use and fluid power -- Ports and stud ends with ISO 725 threads and O-ring sealing-- Part 3: Light-duty (L series) stud ends

Cinematography -- 65 mm and 70 mm unexposed motion-picture film -- Cutting and perforating dimensions

Plastics -- Phenolic resins -- Determination of the pseudo-adiabatic temperature rise of liquid resols when cured under acid conditions