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| Standard Insuued on: 1999-12 |
GB 50307-1999 Code on geotechnical investigations for metro and light rail transit
地下铁道、轻轨交通岩土工程勘察规范
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ and MOC | Issued Date: | 1999-12-15 |
| Implemented Date: | 2000-6-1 | Abolished Date: | 2012-08-01 |
| Superseded Standard.: | GB 50307-2012 Code for geotechnical investigations of urban rail transit |
Superseded Date: | 2012-8-1 |
SN/T 0801.6-1999
SN/T 0822-1999
SN/T 0839.1-1999
SN/T 0821-1999
WS/T 121-1999
SN/T 0820-1999
JB/T 50003-1999
GB 7000.11-1999
GB 7000.13-1999
YZ/Z 0001.1-1999
SL/T 4-1999
SL 249-1999
HG/T 20579.3-1999
HG/T 20646.4-1999
HG/T 20579.1-1999
HG/T 20646.2-1999
HG/T 22814-1999
HG 21604-1999
HG/T 20646.1~20646.5-1998
HG 21602-1999
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