Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Standard Insuued on: 1997-11

YD/T 937-1997    Confidentiality system for audiovisual services
视听业务的保密系统
Category No.:YD Valid Status:valid
Issued Organization:Ministry of Posts and Telecommunications Issued Date:1997-11-28
Implemented Date:1998-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
Back          Detail

GB/T 15000.7-1997   GJB 421A-1997   CECS : 9497   GB/T 17110-2008   GB/T 17109-2008   GB/T 17105-2008   DB22/T 135-2003   JG/T 5095-1997   JG/T 5096-1997   JJF 1056-1998   GB 4706.38-1997   GB 4706.37-1997   GB/T 17085-1997   GB 4706.40-1997   GB/T 17099-1997   GB 4706.39-1997   MT 709-1997   GB/T 17113-1997   QC/T 228.2-1997   QC/T 246-1997  

Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: TransForyou Co., Ltd. 2008-2040