Bs-4999 (Part 20) - 1972; Specification For General Requirements For Rotating Electrical Machines Pa
British Standards Institution
Bs-4999 (Part 20) - 1972; Specification For General Requirements For Rotating Electrical Machines Pa - BSI 1972
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Bs-4999 (Part 20) - 1972; Specification For General Requirements For Rotating Electrical Machines Pa - BSI 1972
/