日本工业标准_JIS R6004-2005 Abrasives, bonded abrasive products and coated abrasive products - Glossary of terms and marks_R 6004 2005 1 ?QUV wFx|j=OH 14 t?loj;b?H 12 H 1 wFt,nV|Z_Pq(AAIA)?R?O?Fq (JSA)T?| jj?o?F?Yb?VqwZUK?|?j*qw?&o|&A?GUYh?FpK?t?lo| JIS R 6004:1998 xY?|wFt?VQ? wFwU|U$Q?m?V|Z&?w?Z&|;?V|xZ&?w;?JZ&tb?DQUK?qt?Ib?&A?Gt|?j*qx|w?OsU$Q?m?V|Z&?w?Z&|;?V|xZ&?w;?JZ&tTT?tmMo|yx?hsM R 60042005 2