TY - BOOK ED - Indian Standards Institution TI - Indian Standard : Specification for Instruments, Plastic, Filling, Dental: : Part II - Designation numbers 12, 20, 21, 46, 47, 153 and 183 U1 - 615.472:616.314-72 PY - 1968/// CY - N.Delhi PB - Indian Standards Institution KW - IS Code KW - IS : 3890(Part II)-1967 ER -