ASTM F783-88(2023) 钉书钉、抓手、把手和马镫横档的标准规范1.1 This specification covers design, c

匿名 发表于 2023-12-22 07:42:30 |阅读模式

ASTM F783-88(2023) 钉书钉、抓手、把手和马镫横档的标准规范1.1 This specification covers design, construction for steel staples, handgrabs, handles, and individual stirrup rungs. 1.2 The staples, handgrabs

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ASTM F783-88(2023) 钉书钉、抓手、把手和马镫横档的标准规范1.1 This specification covers design, c

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