Konstrueerida teadusliselt, majandusliselt, normaal elektriliste ja mehaniliste vahekordade juures 100 HJ. keerdvoolu mootor missugune majandusliselt kõige kasulikum oleks
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URL: http://www.digar.ee/id/nlib-digar:978597
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URL: http://www.digar.ee/id/nlib-digar:978597
