| 摘要 |
PROBLEM TO BE SOLVED: To obtain enriched oxygen simply by using the paramagnetism, which oxygen itself has. SOLUTION: Several pieces of ring like magnets (4) are attached to the inside surface wall of a hollow tube (1). A magnetically permeable material (3) is mounted and fixed in the center part of the hollow tube (1). An oxygen collecting pipe (2) is attached and fixed between the hollow tube (1) and the magnetically permeable material (3) and is connected to a suction machine (8) through a pipe line (7), a filter (18) and further a pipe line (17).
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