中華人民共和國國家標準
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 16657.2-2008
Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition 工業通信網絡 現場總線規範 第2部分: 物理層規範和服務定義
Issued Date:2008-06-30
Implemented Date:2009-01-01
Issued by:
The Standardization Administration of the People's Republic of China