Fire -resistant energy -conserving window template structure of high -efficient plastic -aluminum of compound metal film
The utility model discloses a fire -resistant energy -conserving window template structure of high -efficient plastic -aluminum of compound metal film, which comprises a section bar body, the section bar body includes the surperficial plastic -aluminum that sets up of aluminum alloy support and alum...
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Format: | Patent |
Sprache: | eng |
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