| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD 5007-1995 | English | 1479 |
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Communication Conduit and Passage Engineering Design Standard for Local Telephone Network
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YD 5007-1995
| Obsolete |
YD 5007-1995
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