METAL TEXTURE COATING FOR TRANSMITTING ELECTRIC WAVE AND MANUFACTURING METHOD THEREOF
RADIOWAVE TRANSMISSION TYPE COVER HAVING METALLIC LUSTER
COATING OF METAL TEXTURE LAYER FOR TRANSMITTING ELECTRIC WAVE AND MANUFACTURING METHOD THEREOF
HALF MIRROR PANEL AND HALF MIRROR DEVICE HAVING THE SAME
A FREQUENCY AUTO CONTROL SYSTEM FOR THE ENGING ROOM FAN OF THE SHIP AND THE METHOD THEREOF
Transmission cover of electromagnetic wave of radar for vehicle
PAINT OF THERMAL RESISTANCE AND COVER FOR PENETRATION OF ELECTROMAGNETIC WAVE USING THEREOF