Lubrication of air counterbalance cylinders,申请号US19470764214-传众专利搜索

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发明名称	Lubrication of air counterbalance cylinders
摘要
申请公布号	US2486705(A)	申请公布日期	1949.11.01
申请号	US19470764214	申请日期	1947.07.28
申请人	COREY WILLIAM G	发明人	COREY WILLIAM G.
分类号	F16N7/30;F16N9/04	主分类号	F16N7/30
代理机构		代理人
主权项
地址

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