TY - BOOK AU - Abu Hassan Ismail TI - Kimpalan dan potongan gas: manual bengkel SN - 9679502562 PY - 1993/// CY - Petaling Jaya PB - International Books Services KW - Gas appliances KW - Maintenance and repair KW - Metal work KW - Guide-books KW - Metal-cuttings KW - Oxyacetylene welding and cutting KW - Welding KW - Vocational guidance KW - Malaysia ER -