| 摘要 |
An apparatus and a system for extracting gaseous specimens to be measured, preferably during the production of polycrystalline silicon, are disclosed. The apparatus according to the invention is a flange-like device (80), which is placed between each of the at least two pipe sections (11a, 11b, 21a, 21b, 41a, 41b) of the outlet pipes (11, 21, 41).
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