Improvements in surfaces exposed to the flow of air, steam, and other gases,申请号GB19420005209-传众专利搜索

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发明名称	Improvements in surfaces exposed to the flow of air, steam, and other gases
摘要
申请公布号	GB557581(A)	申请公布日期	1943.11.26
申请号	GB19420005209	申请日期	1942.04.20
申请人	RALPH NATHANIEL BULLOCK	发明人
分类号	B64C21/10	主分类号	B64C21/10
代理机构		代理人
主权项
地址

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