Apparatus for cleaning boiler tubes,申请号US19270232040-传众专利搜索

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发明名称	Apparatus for cleaning boiler tubes
摘要
申请公布号	US1773801(A)	申请公布日期	1930.08.26
申请号	US19270232040	申请日期	1927.11.09
申请人	MURRAY WILSON ALLAN	发明人	WILSON ALLAN MURRAY
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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