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2017
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Invention
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Metal window frame. A metal window frame is made of aluminum alloy profiles. Each aluminum alloy ... |
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Invention
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Door frame. A door frame, made of door frame profiles, comprises an upper U-shaped plate (1) and ... |
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2015
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Invention
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Metal door cleaning agent. A metal door cleaning agent consists of polyethylene glycol, sodium ca... |
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Invention
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Metal window cleaning agent. A metal window cleaning agent consists of sodium hydroxide, benzyl t... |
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2014
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Invention
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Bay window panel thermally-insulating structure. A bay window panel thermally-insulating structur... |
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Invention
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Ecological thermally-insulating fireproof door. Disclosed is an ecological thermally-insulating f... |
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Invention
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Fireproof door. A fireproof door comprising a metal frame and a metal door. Flame-retardant coati... |
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Invention
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Corrosion-resistant metal door/window. A corrosion-resistant metal door/window comprising a door/... |
