日本工业标准_JIS B4301-2007 Jobber series parallel shank twist drills_B 4301 2007 1 ?QUV wFx|j=OH 14 t?loj;b?H 12 H 1 wFt,nV|?q(JSCTA)?R?O?Fq (JSA)T?|jj?o?F?Yb?VqwZUK?|?j*qw?&o|&A?GUYh?FpK? ?t?lo| JIS B 4301:1999 xY?|wFt?VQ? Ytphlox|?FqMFqw0z|MFt?h?FwRt|?F?,thMFj?w?0?tb?h?t| ISO 235:1980| Parallel shank jobber and stub series drills and Morse taper shank drills ?,qo;Mh wFwU|?V|Z&?w?Z&|;?VxZ&?w;?JZ&tb?DQUK?qt?Ib?&A?Gt|?j*qx|w?Os?V|Z&?w?Z&|;?VxZ&?w;?JZ&t?tmMo|yx?hsM JIS B 4301 tx|tbUK? ? JIS q0 b?MFqw0z B 4301 2007
