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BS

PDF Standards BS 4017:1979

Specification for capacitors for use in tubular fluorescent, high pressure mercury and low pressure sodium vapour discharge lamp circuits
standard by BSI Group, 01/31/1979

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BS

PDF Standards BS 4199-1:1967

Specification for surgical suction apparatus-Electrically operated surgical suction apparatus of high vacuum and high air displacement type
standard by BSI Group, 10/09/1967

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