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Methods of test for Aluminium fluoride for industrial use - Part 6- Determination of moisture content (gravimetric method) Methods of test for Cryolite - Part 10- Determination of moisture content (gravimetric method). Original standard BS 4993-6-1980 (1999) BS 5050-10-1980, ISO 3393-1976 in PDF full version. Additional info + preview on request

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Methods of test for Aluminium fluoride for industrial use - Part 8- Determination of sulphate content Methods of test for Cryolite - Part 11- Determination of sulphate content. Original standard BS 4993-8-1980 (1999) BS 5050-11-1980, ISO 4280-1977 in PDF full version. Additional info + preview on request

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Methods of test for Aluminium fluoride for industrial use - Part 9- Determination of sulphur. Original standard BS 4993-9-1980 (1999) BS 5050-12-1980, ISO 5938-1979 in PDF full version. Additional info + preview on request

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General requirements for rotating electrical machines - Part 147- Specification for dimensions of brushes and brush-holders for electrical machinery. Original standard BS 4999-147-1988 (1999) IEC 136-1986 in PDF full version. Additional info + preview on request

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Specification for Aircraft pressure refuelling connectors This British S tandard, having. Original standard BS 4C 14-1991 (1999) ISO 45-1990 in PDF full version. Additional info + preview on request

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Specification for woven nylon narrow fabrics for aerospace purposes (nominally 235 dtex yarns). Original standard BS 4F 123-1996 (2011) in PDF full version. Additional info + preview on request

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