Improvements in and relating to tube cleaning apparatus for boilers and the like,申请号GB19420007495-传众专利搜索

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发明名称	Improvements in and relating to tube cleaning apparatus for boilers and the like
摘要
申请公布号	GB556657(A)	申请公布日期	1943.10.14
申请号	GB19420007495	申请日期	1942.06.02
申请人	CHARLES FLETCHER LUMB;FRANK GEORGE WILLIAM SPEARS	发明人
分类号	F28G3/16	主分类号	F28G3/16
代理机构		代理人
主权项
地址

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