BS 1780-1985 Roehrenfedermanometer und Vakuummeter Bourdon Tube Pressure and Vac
Roehrenfedermanometer und Vakuummeter Bourdon Tube Pressure and Vacuum Gauges Manomètres et vacuomètres. tube de Bourdon-specifications AMD 6124;July 31,1989;See Also BS 5235;Superseded by BS EN 837-1:1998
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