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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7393-1987 |
Basic size of outlet of cable distribution systems intended for sound and television signals 声音和电视信号的电缆分配系统输出口基本尺寸 |
China National Standards Basic size of outlet |
 English PDF |
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