Inquiry (采购产品): Vibration switch model 438 Please provide a data-sheet or product catalog to your Vibration switch model 438. We have a lot of them installed on site and need to know more details. Thanks Rolf **** Hidden Message ***** Rolf Balli 63028 USA Company: Holcim Title: Electrical Engineer E-mail: rolf.balli@holcim.com **** Hidden Message ***** rolf.balli@holcim.com
