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Hello! Welcome to the official website of Heshan Boan Fire Resistant Glass Technology Co., Ltd.

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A kind of Hamming silicon anti ultraviolet composite heat insulation fireproof glass - utility model patent certificate

2019-10-07 2330

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Previous:A multi-layer door and window sealing structure based on glass magnesium plate - utility model patent certificate

Next:A fireproof window - utility model patent certificate

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