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日本建築学会 · 2020. 3. 16. · JIS G 3109 7.4mm —32 mm 90kg/mm2— 145kg/mm2 400 300 200 100 PCE*ž JIS G 3536 JIS G3536 5 mm 145 kg/ mm 2— o. 9 mm 175kg/mm 2 9.3mm 175kg/mm2
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