Improved method of and means in the manufacture of piston rings,申请号GB19350015337-传众专利搜索

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发明名称	Improved method of and means in the manufacture of piston rings
摘要
申请公布号	GB453004(A)	申请公布日期	1936.09.03
申请号	GB19350015337	申请日期	1935.05.27
申请人	LOCKWOOD & CARLISLE, LIMITED;JOSEPH HOPKINSON	发明人
分类号	B23P15/06;B30B1/32	主分类号	B23P15/06
代理机构		代理人
主权项
地址

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