RT Web Page SR Electronic(1) ID 15376465 A1 M. Morris T1 Expansion bellows YR 2015 FD 2015-11-30 NO Reinforcing rings, for expansion bellows, PB Begell House Inc. PP New York DO 10.1615/hedhme.a.000465 RD 2025-04-28 UL https://hedhme.com/content_map/?article_id=465&link_id=15376 WT HEDH Multimedia - Heat Exchanger Design Handbook, Multimedia Edition WP 2015-11-30