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BS 4657:Test Chart 2 Microcopy Resolution Test Chart No. 2
BS QC 410101:1990 Specification for harmonized system of quality assessment for electronic components. Blank detail specification. Load screw actuated and rotary preset potentiometers. Assessment level E
BS G 243:1990 Specification for igniter cables for engine use (4 kV d.c.)
BS 6997:1990 Specification for elastomeric toroidal sealing rings ('O'-rings) manufactured from acrylonitrile-butadiene rubbers complying with BS 6996
BS 7288:1990 (R2013) Specification for socket outlets incorporating residual current devices (S.R.C.D.s) partTitleEN sectionTitleEN
BS 3680-4F:1990 Methods of measurement of liquid flow in open channels. Weirs and flumes - Round nose horizontal broad-crested weirs
BS 5817-8:1990 Specification for audiovisual, video and television equipment and systems - Symbols and identification
BS 1742-1:1990 Methods for chemical analysis of condensed milks - General introduction, including preparation of test samples
BS 7251-7:1990 Orthopaedic joint prostheses - Guide to hip joint simulators
BS 7251-8:1990 Orthopaedic joint prostheses - Guide to laboratory evaluation of change of form of bearing surfaces of hip joint prostheses
BS 7254-3:1990 Orthopaedic implants - Recommendations for care and handling