| 摘要 |
The door leaf, consisting of skin sheets (5) on frame structure (2), is provided on both vertical frame parts with slots (8) containing clamping rod assemblies (11,39). The lower end of each rod is hook-shaped and engages a recess (10) provided in the frame. The upper end of the rod is provided with a length of thread, on which a moving anchor engaging another recess (9) can be operated by a nut.
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