| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil pan for an automobile capable of reducing abrasion by restricting a viscosity rise of engine oil and reducing the friction of engine parts and capable of saving energy by reducing a load. SOLUTION: The inner surface of the oil pan for an automobile is coated with an inorganic coating agent containing fine particles A carrying silver and/or copper and inorganic fine particles B. COPYRIGHT: (C)2005,JPO&NCIPI
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