| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a disadvantage of a funnel as is found to be unstable when it is put to use. Ž<P>SOLUTION: The funnel (1) is made to become a fixed type funnel by providing a groove screw (2) thereto. When in use, a bayonet port (3) is inserted into a receptacle while the groove screw (2) is screwed for a cap. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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