Delivery: 3 seconds (Download full-editable-PDF + Invoice). Quotation: Click GB/T 31070.1-2014>>Add to cart>>Quote Editable-PDF Preview (Reload if blank, scroll for next page)
See Chinese contents: GB/T 31070.1-2014 GB/T 31070.1-2014: Building intercom systems -- Part 1: General technical requirements
This part of GB/T 31070 specifies the general technical requirements such as the composition, functional requirements, performance requirements, test methods and inspection rules of the building intercom system.
