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BS T 72-T 73:1977 Specifications for 18/10 chromium-nickel corrosion-resisting steel tube for hydraulic purposes (niobium/titanium stabilized: 550 MPa) standard by BSI Group, 05/31/1977
BS S 158:1977 Specification for 1% chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts standard by BSI Group, 05/31/1977
BS CECC 45000:1977 Specification for harmonized system of quality assessment for electronic components: generic specification: space-charge controlled tubes standard by BSI Group, 05/31/1977
BS 5478-2:1977 Calculators and adding machines. Layout of function keys on adding machines standard by BSI Group, 05/31/1977
BS 5204-2:1977 Specification for straightedges. Steel or granite straightedges of rectangular section standard by BSI Group, 04/29/1977
BS 5464-2:1977 Optical character recognition. Character set OCR-B. Shapes and dimensions of the printed image standard by BSI Group, 04/29/1977
BS 5464-1:1977 Optical character recognition. Character set OCR-A. Shapes and dimensions of the printed image standard by BSI Group, 04/29/1977
BS 3903:1977 Methods of test for sulphuric acid, oleum and liquid sulphur trioxide standard by BSI Group, 04/29/1977
BS 2518-2:1977 Specification for rotary form relieved gear cutters. Metric module standard by BSI Group, 04/29/1977
BS 4602:1977 Specification for the use of metric units in specifications for glass containers and finishes standard by BSI Group, 04/29/1977
BS 2S 142:1977 Specification for 1% chromium-molybdenum steel billets, bars, forgings and parts (900-1100 MPa: limiting ruling section 40 mm) standard by BSI Group, 04/29/1977
BS 2S 136:1977 Specification for 1% carbon-chromium steel (vacuum arc remelted) billets, bars, forgings and parts (limiting ruling section 25 mm) standard by BSI Group, 04/29/1977