国家/地区 中国（3）
IPC部 C（3）
IPC大类 E06（3）
IPC小类 E06B（3） C09D（2） C22C（2）
IPC C09D163/00（2） E06B005/16（2）
发明人
公开年 2021（3）
申请年 2020（3）
专利权人

Aluminum alloy profile useful for energy-saving and environment-friendly door and window, comprises heat insulation noise reduction cavity whose inner part is filled with honeycomb-type heat insulation noise reduction layer.

LEI Z, PAN Z, YUAN X, SUN J

Preparing fireproof door comprises placing teak solid wood board in drying kiln, firing teak solid wood panels, stirring e.g. aqueous epoxy resin, filler and de-foaming agent, filtering to obtain fireproof coating, spraying on door panel.

TONG Y

Anti-theft security window comprises hollow frame including wires, in which top end is provided with through-hole, and wire is passed through through-hole to connect with camera which is fixedly connected with hollow frame, and glass.

HU Y