发明名称 FOUR STROKE ENGINE WITH VALVE TRAIN ARRANGEMENT
摘要 <p>A four stroke internal combustion engine includes a cylinder head having a valve train having reduced profile that permits access to a spark plug assembly located therein.</p>
申请公布号 WO2001065093(A1) 申请公布日期 2001.09.07
申请号 US2001006331 申请日期 2001.02.28
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