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US5454354A Oil filtering system 失效
油过滤系统

Oil filtering system
摘要:
A combined oil filter/reservoir cartridge for an internal combustion engine mounted outboard of the engine for easy access. The device includes an oil filter and has sufficient capacity to hold all of the engine oil. An auxiliary oil pump is included to pump fresh oil from a new device into the engine and to pump the old oil into the reservoir. The device can then be demounted and the contents and cartridge recycled.
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