Ra 1.6 30 Ra 1.6 43 (25) Ra 12.5 15+0. 05 10 Ra 1.6 27±0 ... · JIS B 0405-f & 05 30 30 120 ± 0....

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Transcript of Ra 1.6 30 Ra 1.6 43 (25) Ra 12.5 15+0. 05 10 Ra 1.6 27±0 ... · JIS B 0405-f & 05 30 30 120 ± 0....