X-Class

Sub-class
0746

Optical industry device

光学工业用设备


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Items

7 Items
Sub-class Basic number English name Chinese name Five parties
0746 C070338 carbon dioxide production equipment 生产二氧化碳设备 No
0746 C070337 gas liquefaction equipment 气体液化设备 No
0746 C070334 gas separation equipment 气体分离设备 No
0746 C070333 glass lens processing equipment 眼镜片加工设备 No
0746 070591 machines for generating gas by electrolysis 电解制气机 No
0746 C070335 oxygen and nitrogen generating equipment 制氧、制氮设备 No
0746 C070336 rare gas extraction equipment 稀有气体提取设备 No