国家/地区 中国（2）
IPC部 B（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人 WANG Y（2）
公开年
申请年
专利权人

Preparing coating for screw thread, comprises e.g. providing workpieces with screw thread, pretreating screw thread part of workpieces with screw thread; sandblasting workpiece with screw thread after pretreatment; and preheating workpiece with screw thread after sandblasting.

SUN J, WANG Y, WANG L, LI R, SONG X, LIU X

Radar-infrared-visible light multi-spectrum camouflage invisible structure includes radar wave absorbing structure layer, infrared heat insulation coating, adhesive layer and wave-transmitting camouflage net layer.

WANG Y, LI G, LONG C, LIU S, HE J, LI J, DING T, CUI G, CHEN L, YIN S