LICP OpenIR
Current Search ((ALL:Self-lubricating Coating))
Filters ((Creator:周峰) AND (Creator:夏延秋) AND (Date Issued:2011))
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gaoping分高平 1 liuweimin分刘维民 1 sunchufeng分孙初锋 1
xiayanqiu分夏延秋 1 zhangming分张明 1 zhoufeng分周峰 1