国家/地区 中国（3）
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 XU Y（3）
公开年 2022（3）
申请年 2022（3）
专利权人 XU Y（3）

Formaldehyde-free biomass composite board with one-time molding and veneering, comprises specified weight ratio of eucalyptus sawdust, bamboo fibers, straws, carbon fiber cloth, coupling agent, filler, formaldehyde-free adhesive, biomass composite membrane base liquid and absolute ethanol.

GU X, XU Y

Mask comprises mask main body and mask ear belts set at two sides of mask main body, outer portion of mask ear belt close to mask main body provided with fixing adhesive tape, and front surface of fixing adhesive tape respectively provided with first adhesive layer and second adhesive layer.

XU Y

Nano-coating welding wire without copper plating, comprises welding wire base body and nano coating coated on surface of welding wire base body, where nano coating comprises first coating layer, second coating layer and third coating layer coated on surface of welding wire substrate.

XU Y