磁力锁ANSI标准A156.232004

Reference Only BHMA A156.23 - 2004 Revision of: ANSI/BHMA A156.23 - 1999 AMERICAN NATIONAL STANDARD FOR ELECTROMAGNETIC LOCKS SPONSOR BUILDERS HARDWARE MANUFACTURERS ASSOCIATION, INC. ANSI APPROVED 5/26/2004 AMERICAN NATIONAL STANDARDS INSTITUTE, INC. Reference Only 2AMERICAN NATIONAL STANDARD An American National Standard implies a consensus of those substantially concerned with its scope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether he has approved the Standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the Standard. American National Standards are subject to periodic review and users are cautioned to obtain the latest editions. CAUTION NOTICE: This American National Standard is permitted to be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of publication. Purchasers of American National Standards receive current information on all standards by calling or writing The American National Standards Institute. Published by BUILDERS HARDWARE MANUFACTURERS ASSOCIATION, INC. 355 Lexington Avenue, New York, New York, 10017 Copyright  2004 by the Builders Hardware Manufacturers Association, Inc. Not to be reproduced without specific authorization from BHMA Printed in the USA This Standard was developed by the Builders Hardware Manufacturers Association, Inc. It was approved by ANSI under the canvass method. BHMA was ...