| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil pump with a cap capable of simply and safely feeding oil without spoiling hands and a floor. SOLUTION: The oil pump 1 is enabled to be attached and retained on a polyethylene tank 4 by attaching caps 2, 3 on an upper part and a lower part of each hose of the oil pump. Magnet plates 7, 6 are attached on an inside and a lower edge part of the cap 3. COPYRIGHT: (C)2004,JPO&NCIPI
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