Environment-friendly ecological door
The invention provides an environment-friendly ecological door which comprises a door leaf. The door leaf comprises a door frame, a door leaf panel is arranged in the door frame and comprises a firstpanel, a second panel and a third panel, the first panel faces an outdoor environment, the second pan...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
28.12.2018
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Subjects | |
Online Access | Get full text |
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