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Extension flush bolt
| Глоссарий по архитектуре и конструкциям |
A type of flush bolt; bolt head is connected to the operating mechanism by a rod inserted through a hole bored in the door. extension casement hinge extension flush bolt
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Saddle bead, английский
A type of glazing bead used to secure two panes of glass.
Mushroom construction, английский
A type of flat slab construction which utilizes column capitals and drop panels.
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