1、AEROSPACE STANDARD TACHOMETER DRIVE TYPE I AS54Copyright 2012 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the pri
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3、Y CLASS AS54SHEET 1 OF 1PROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report is publishedbySAEtoadvance thestateoftechnical and engineeringsciences. The useofthis reportisentirely voluntary, and its applicabilityand suitability for any particularuse, includin
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