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专利与信息ＰＡＴＥＮＴＳＡＮＤＮＥＷＳ编者按本栏目服务内容详情，请参阅本刊９７№２－№３“专利与信息”的编者按。９７１１０１发明名称Ｕ形组合式密封圈公告号ＣＮ２２３７７５８Ｙ本实用新型公开了一种密封装置，是适用于各种往复式运动的液压缸，特别是适用于各...
Patents and Information PATENTSANDNEWS Editor's Note According to the contents of this column's services, please refer to our publication 97 № 2-№ 3 Patents and Information Editor's note. 971101 Name U-shaped composite seal ring Publication No. CN2237758Y The utility model discloses a sealing device, is suitable for a variety of reciprocating motion of the hydraulic cylinder, especially for each ...