Unit curtain wall windowsill board system adapting to multi-angle changes
The invention relates to a unit curtain wall windowsill board system adapting to multi-angle changes, and belongs to the field of curtain walls. The system comprises a front-end rotating support connected with a cross beam and a windowsill plate body correspondingly and rotationally connected with t...
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Format: | Patent |
Sprache: | chi ; eng |
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