 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| International Standard Category: Photographic paper, films and plates. Cartridges |
HG/T 2911-1997 Photography--Source document microfilms--Determination of ISO speed and ISO average gradient
原件缩微摄影胶片 ISO感光度和ISO平均斜率的测定 ;
| Category No.: | 37.040.20 | Valid Status: | valid |
| Issued Organization: | MOCI | Issued Date: | 1997-4-22 |
| Implemented Date: | 1997-9-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |