牌號 | F959 Type 1 Series |
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對應標準 | ASTM F959/959M-2017
結(jié)構(gòu)緊固件型直接張力指示器使用可壓縮墊圈的標準規(guī)范 Compressible-washer - Type direct tension indicators for use with structural fasteners, inch and metric series |
歸類 | 碳鋼 |
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