Inquiry (采购产品): Inspection of retrevial device I have a M52-50galv retrevial device. How often does it need to be inspected if it is not used? How do I go about having it inspected? **** Hidden Message ***** Michael Lyon 43325-0272 Company: Glen-Gery Brick E-mail: mike.lyon@oldcastleapg.com.com **** Hidden Message ***** mike.lyon@oldcastleapg.com.com
