Example: barber
Doc et 31 6128 bureau of indian standards
Found 1 free book(s)Doc: ET 31(6128) BUREAU OF INDIAN STANDARDS …
www.bis.org.in1 Doc: ET 31(6128) BUREAU OF INDIAN STANDARDS DRAFT FOR COMMENTS ONLY (Not to be reproduced without the permission of BIS or used as a STANDARD) Draft Indian Standard UNINTERRUPTIBLE POWER SYSTEMS (UPS)