TY - GEN T1 - High Duty Air-Compressors DA - 1923 L1 - https://library.imarest.org/record/10610/files/v2b05p04.pdf JF - Papers On Engineering Subject VL - 2 PY - 1923 ID - 10610 L4 - https://library.imarest.org/record/10610/files/v2b05p04.pdf TI - High Duty Air-Compressors Y1 - 1923 L2 - https://library.imarest.org/record/10610/files/v2b05p04.pdf LK - https://library.imarest.org/record/10610/files/v2b05p04.pdf UR - https://library.imarest.org/record/10610/files/v2b05p04.pdf ER -