| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JTJ 220-1998 | English | RFQ |
ASK
|
Days<=9
|
Code for design of general layout of junctions in canalization engineering
|
JTJ 220-1998
| Obsolete |
JTJ 220-1998
|