BS 5501-4:1977 Electrical apparatus for potentially explosive atmospheres. Powder filling 'q' standard by BSI Group, 12/30/1977
BS MA 47:1977 Code of practice for ships' cargo blocks standard by BSI Group, 11/30/1977
BS 5443:1977 Recommendations for a standard layout for methods of chemical analysis by gas chromatography standard by BSI Group, 11/30/1977
BS 4584-13:1977 Specification for metal-clad base materials for printed circuits. Silicone woven glass fabric copper-clad laminated sheet Si-GC-Cu-13 standard by BSI Group, 11/30/1977
BS 5493:1977 Code of practice for protective coating of iron and steel structures against corrosion standard by BSI Group, 10/31/1977
BS 5523:1977 Glossary of terms for textiles - weaves - definitions of general terms and basic weaves standard by BSI Group, 10/31/1977
BS 5520:1977 Specification for vitreous china bowl urinals (rimless type) standard by BSI Group, 10/31/1977
BS 4050-1:1977 Specification for mosaic parquet panels. General characteristics standard by BSI Group, 10/31/1977
BS 4235-2:1977 Specification for metric keys and keyways. Woodruff keys and keyways standard by BSI Group, 10/31/1977
BS 1756-4:1977 Methods for sampling and analysis of flue gases. Miscellaneous analyses standard by BSI Group, 10/31/1977
BS CECC 45004:1977 Specification for harmonized system of quality assessment for electronic components. Blank detail specification: disc seal power tubes standard by BSI Group, 10/15/1977
BS CECC 46001:1977 Specification for harmonized system of quality assessment for electronic components. Blank detail specification: cold cathode indicator tubes standard by BSI Group, 10/15/1977