国家/地区 中国（2）
IPC部 B（3）
IPC大类 B23（3）
IPC小类 B23P（3）
IPC B23P015/00（2）
发明人
公开年 2023（3）
申请年 2022（2） 
专利权人

Preparing copper-clad aluminum composite welding strip used in interconnection strip, bus belt comprises surface cleaning of copper strip and aluminum rod, wrapping, multiple drawing of composite copper rod, and ultrasonic testing, drawing composite copper wire, heat annealing and tin plating.

DONG W, ZHANG W, GAO L, CHEN Q

Processing anti-graffiti nano-coating for walls, involves cleaning and preparing wall surface, which is repaired for cracks holes or other damaged areas, applying nano-coating of suitable proportion uniformly over repaired and cleaned wall surface, drying and curing.

SINGH G, KUSHWAHA R, KUMAR S, ARYA A K, SASTRY S V A R

Preparing stainless steel-copper-titanium graphene pot composite board useful in medical instrument, comprises e.g. taking pot body composite copper plate, performing laser punching on three-dimensionally graphitized area, cross-linking dispersion with powder mixture filler, and cold-rolling.

XU M, YING M