General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 42211-2022
Scope
This document specifies the technical methods for repairing and strengthening battered and fragile newspaper or periodical cotton webs. This document is applicable to the salvage restoration and reinforcement of decayed and fragile newspapers or periodicals, as well as the restoration and reinforcement of other double-sided text files.