| 摘要 |
he disclosed herein wall ties are composed of three parallel disposed longitudinal iron members and traverse iron members welded with the first to form an angle. Said wall ties are characterized by a small-dimensioned construction with one side D1 6 to 12 cm long and the second side D2 10 to 5 cm, respectively. The bend angle of the traverse iron rods of the wall ties structure is formed by use of a pin its diameter being |
