1、 IEC 61240 Edition 3.0 2016-10 INTERNATIONAL STANDARD NORME INTERNATIONALE PIezoelectric devices Preparation of outline drawings of surface-mounted devices(SMD)for frequency control and selection General rules Dispositifs piezolectriques Prparation des dessins dencombrement des dispositifs pour mont
2、age en surface pour la commande et le choix de la frquence Rgles gnrales IEC 61240:2016-10(en-fr)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by an
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