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BS A 272:1977 Specification for Hi-torque speed drive recess: dimensions and gauging for countersunk head fasteners standard by BSI Group, 04/29/1977
BS 2S 135:1977 Specification for 1% carbon-chromium steel billets, bars, forgings and parts (limiting ruling section 25 mm) standard by BSI Group, 04/29/1977
BS 2S 131:1977 Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) standard by BSI Group, 04/29/1977
BS 2782-3:METHOD 341A:1977 Methods of testing plastics. Mechanical properties. Determination of apparent interlaminar shear strength of reinforced plastics standard by BSI Group, 04/29/1977
BS 684-2.8:1977 Methods of analysis of fats and fatty oils. Other methods. Determination of total neutral oil standard by BSI Group, 04/29/1977
BS 5471:1977 Specification for thermometer for use with alcohol hydrometers standard by BSI Group, 03/31/1977
BS 1553-1:1977 Specification for graphical symbols for general engineering. Piping systems and plant standard by BSI Group, 03/31/1977
BS 4185-10:1977 Machine tool components. Trapezoidal threads for lead and feed screw assemblies standard by BSI Group, 03/31/1977
BS 5470:1977 Specification for glass alcohol hydrometers not incorporating a thermometer standard by BSI Group, 03/31/1977
BS 5141-2:1977 Specification for air heating and cooling coils. Method of testing for rating of heating coils standard by BSI Group, 03/31/1977
BS 5452:1977 Specification for hospital hollow-ware made of plastics material standard by BSI Group, 02/28/1977
BS 1101:1977 Specification for pressure containers for paint and other similar substances standard by BSI Group, 02/28/1977