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BSI BS 89-4:1990

Current Revision

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Specification for special requirements for frequency meters

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REAFFIRMED IN 1999

SDO BSI: British Standards Institution
Document Number BS 89
Publication Date July 15, 1999
Language en - English
Page Count 16
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
July 15, 1999 BS 89-4:1990 Revision