Inquiry (采购产品): transducer My name is monica. I'm a student and I working with ultrasonic. I need transducer 100 200 and 40KHz. I need transmisor and reciever separate. I just need 2 pair each frecuency. thanks **** Hidden Message ***** monica botero COL Company: student E-mail: mbotes8@hotmail.com **** Hidden Message ***** mbotes8@hotmail.com
