TY - BOOK ED - Parker Hannifin Corporation. TI - Industrial hydraulic technology T2 - Bulletin / Parker Hannifin Corp. SN - 1557690006 PY - 1991/// CY - [Cleveland, OH] PB - Parker Hannifin Corp. KW - Hydraulic machinery KW - Fluid power technology N1 - Edition statement from label on cover; Includes errata sheets; Includes index ER -