Standard No.:	YD/T 686-1994
English Name:	Quality grading criteria of automatic telephone sets
Chinese Name:	自动电话机质量分等标准
Chinese Classification:	M40    Telephone communication equipment
Professional Classification:	YD    Professional Standard - Telecommunication
Issued by:	Ministry of Posts and Telecommunications
Issued on:	1994-05-18
Implemented on:	1994-5-18
Status:	abolished
Abolished on:	2009-12-01
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	220.00
Delivery:	via email in 1~3 business day

本标准规定犷电话机的质量等级及其要求。
本标准适用于旋转拨号式电话机、脉冲式按键电话机和双音多频式按键电话机是考核该类产品质
量等级的依据。其他类型电话机可参照使用。
本标准不适用于产品分选。