product number: BS-5023
product name: Tunnel Seismics Instrument
producing area: USA
Copyright： © 2004-2009 Beijing Sinydec Instrument Co., Ltd 京ICP备06043883
Add：Room 22B,Dingheng Center,jia45,Fengbei Road,Fengtai District,Beijing,China Zip Code：100073
Tel：（86）+10+51266099、63850899 Fax：63852899 Email:bsi@sinydec.com
