Đang chuẩn bị liên kết để tải về tài liệu:
Standard specification for carbon and high-strength low-alloy structural steel shapes, plates and bars and quenched and tempered alloy structural steel plates for bridges

Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ

This standard issued under the fixed designation A 709/A 709M, the number immediately following the designation indicates the year of original adoption or, in the case of revision the year of last revision. A number in parenthese indicates the year of last reapproval. |

TÀI LIỆU LIÊN QUAN