2400AExtracellular PreamplifierOperating ManualWarning: This instrument is not designed or intended for use inhuman applications or human experimentation深圳市净康科技有限公司地址:深圳市龙岗区南湾街道吉厦社区沙平北路 111 号 6008王经理 15813841944(微信同号) QQ : 422612157电话:0755-28917660 邮箱:jkang66@163.com网址:http://www.3000buy.com