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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 4459270 | Process for the removal of hydrogen from gases A process for the removal of hydrogen from a gas which also contains oxygen, which process comprises contacting the said gas at ambient temperature with a catalyst comprising a carrier of tin oxide and alumina impregnated with from 0.25 to 2.5% by weight ... | 07/10/1984 |
