Inquiry (采购产品): Quote Request Hi I am looking for devices to measure compressional and shear velocity in rocks and concrete in situ. Please, can you inform how much is it ? **** Hidden Message ***** LUIZ SANTOS RIO DE JANEIRO24320570 BRA Company: PETROBRAS E-mail: luizalb1@gmail.com **** Hidden Message ***** luizalb1@gmail.com