Improvements in vertical boilers,申请号GB19290034539-传众专利搜索

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发明名称	Improvements in vertical boilers
摘要
申请公布号	GB343438(A)	申请公布日期	1931.02.12
申请号	GB19290034539	申请日期	1929.11.12
申请人	ARTHUR LINCOLNE HITCHCOCK-SPENCER	发明人
分类号	F22B13/10	主分类号	F22B13/10
代理机构		代理人
主权项
地址

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