Thermal -insulated bridge cut -off window of latent drainage structures
The utility model provides a thermal -insulated bridge cut -off window of latent drainage structures, it includes club, cavity glass, joint strip and heat insulating strip in fan -type material, latent the arranging, cavity glass sets up on the fan -type material, is provided with joint strip and he...
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Format: | Patent |
Sprache: | chi ; eng |
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