1 EXHIBIT 4.8 HANOVER ACQUISITION PLEDGE AGREEMENT PLEDGE AGREEMENT, dated as of December 19, 1995, made by Hanover Acquisition Corp., a Texas corporation ("Hanover Acquisition"), in favor of Chemical Bank, as collateral trustee (in such capacity, the...Hanover Acquisition Pledge Agreement • April 11th, 1997 • Hanover Compressor Co • New York
