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PDF Standards BS 2547-2:1978

Specification for basic dimensions of cones and tubes for winding textile yarns-Cones for yarn winding (cross wound). Half angle of cone 4°20'
standard by BSI Group, 11/30/1978

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BS

PDF Standards BS 1747-10:1990

Methods for measurement of air pollution-Determination of the mass concentration of sulphur dioxide in ambient air: tetrachloromercurate (TCM)/pararosaniline method
standard by BSI Group, 01/31/1991

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