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1581 |
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1581
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| ? Mentioned in | ? References in periodicals archive | |
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SRM 1581 was intended for calibrating instruments and
validating methods used in the determination of PCBs in motor and
transformer oils. UL 1581 is a
reference standard for electrical wires, cables and electrical products. Born sometime in 1581 at Chipping Norton, Oxfordshire, Elizabeth
Jane Weston was taken as a child to Bohemia where her stepfather Edward
Kelley worked as alchemist to Rudolf II in Prague (xv). |
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