Valve spring compressor,申请号US19300457321-传众专利搜索

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发明名称	Valve spring compressor
摘要
申请公布号	US1862948(A)	申请公布日期	1932.06.14
申请号	US19300457321	申请日期	1930.05.29
申请人	WAINWRIGHT JOSEPH E	发明人	WAINWRIGHT JOSEPH E.
分类号	B25B27/26	主分类号	B25B27/26
代理机构		代理人
主权项
地址

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