TY - GEN DA - 1937 ID - 10513 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10513/files/v5b16p10.pdf L2 - https://library.imarest.org/record/10513/files/v5b16p10.pdf L4 - https://library.imarest.org/record/10513/files/v5b16p10.pdf LK - https://library.imarest.org/record/10513/files/v5b16p10.pdf PY - 1937 T1 - Nitriding or Surface-Hardening of Steel by the Nitrogen Process TI - Nitriding or Surface-Hardening of Steel by the Nitrogen Process UR - https://library.imarest.org/record/10513/files/v5b16p10.pdf VL - 5 Y1 - 1937 ER -