Method and apparatus for testing piston rings,申请号GB19390020579-传众专利搜索

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发明名称	Method and apparatus for testing piston rings
摘要
申请公布号	GB531229(A)	申请公布日期	1940.12.31
申请号	GB19390020579	申请日期	1939.07.14
申请人	CHARLES GARRETT WILLIAMS;THE INSTITUTION OF AUTOMOBILE ENGINEERS	发明人
分类号	G01M13/00	主分类号	G01M13/00
代理机构		代理人
主权项
地址

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