产品介绍：
产品说明
一般描述
Supports and seals a funnel in the neck of a filter flask. Bottom of the aid is flat to ensure a tight seal against the lip of the flask.
基本信息
| NACRES | NB.43 |
产品性质
| 外径 × 内径 | 76 mm × 32 mm |
| |
产品说明
一般描述
Supports and seals a funnel in the neck of a filter flask. Bottom of the aid is flat to ensure a tight seal against the lip of the flask.
基本信息
| NACRES | NB.43 |
产品性质
| 外径 × 内径 | 76 mm × 32 mm |
