| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 9469.7-1988 | English | 399 |
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Days<=3
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Process data highway, type C (PROWAY C), for distributed process control systems--MAC-physical layer interface specification
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GB/T 9469.7-1988
| Obsolete |
GB/T 9469.7-1988
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