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| Chinese National Standard Category: Basic standards and general methods |
| English Title: | Quality technical coda for plastic film greenhouse |
| Chinese Title: | 塑料薄膜温室质量技术规范 |
| Standard No.: | DB31/T 909-2015 |
| Category No.: | B04 |
| Issued by: | Shanghai Quality and Technology Supervision Bureau |
| Issued on: | 2015-06-25 |
| Implemented on: | 2015-8-1 |
| Status: | superseded |
| Superseded by: | DB31/T 909-2025 |
| Superseded on: | 2025-6-1 |
| Abolished on: | 2025-06-01 |
| Superseding: | |
| Word Count: | 8500 words |
| Similar Standards: |
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