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BS

PDF Standards BS 4606:1970

Recommendations for the co-ordination of dimensions in building. Co-ordinating sizes for rigid flat sheet materials used in building
standard by BSI Group, 05/22/1970

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BS

PDF Standards BS 4727-1 GROUP 01:1983

Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms common to power, telecommunications and electronics. Fundamental concepts
standard by BSI Group, 03/31/1971

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BS

PDF Standards BS 4794-2-2.20:1982

Specification for control switches (switching devices, including contactor relays, for control and auxiliary circuits, for voltages up to and including 1000 V a.c. and 1200 V d.c.)-Position switches with positive opening operation
standard by BSI Group, 03/31/1987

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