TY - GEN T1 - Aluminium Alloy Pistons for Submarine Oil Engines DA - 1920 L1 - https://library.imarest.org/record/10342/files/v1b01p06.pdf JF - Papers On Engineering Subject VL - 1 PY - 1920 ID - 10342 L4 - https://library.imarest.org/record/10342/files/v1b01p06.pdf TI - Aluminium Alloy Pistons for Submarine Oil Engines Y1 - 1920 L2 - https://library.imarest.org/record/10342/files/v1b01p06.pdf LK - https://library.imarest.org/record/10342/files/v1b01p06.pdf UR - https://library.imarest.org/record/10342/files/v1b01p06.pdf ER -