几何尺寸与公差论坛

 找回密码
 注册
查看: 482|回复: 0

structural drawings from 1921

[复制链接]
发表于 2009-9-16 11:09:13 | 显示全部楼层 |阅读模式
structural drawings from 1921
i'm looking at drawings from 1921 and for the 2nd floor plan it says 3c 32" 67 s.f.  it looks like a poured conc floor.  any ideas as to what this means?  thanks
您需要登录后才可以回帖 登录 | 注册

本版积分规则

QQ|Archiver|小黑屋|几何尺寸与公差论坛

GMT+8, 2025-1-12 05:41 , Processed in 0.034598 second(s), 19 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表