1、日本工业标准_JIS B7121-2007 Optics and optical instruments-Specifications for binoculars,monoculars and spotting scopes_B 7121 2007 1 ?QUV wFx|j=OH 14 t?loj;b?H 12 H 1 wFt,nV|?O?lq (JTMA)?R?O?Fq (JSA) T?|jj?o?F?Yb?VqwZUK?|?j*qw?&o|&A?GUYh?FpK? ?t?lo JIS B 7121 : 1993 xY?|?h| JIS B 7122 : 1993 t| JIS B 715
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