Recuperator tube corebuster,申请号US19390298411-传众专利搜索

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发明名称	Recuperator tube corebuster
摘要
申请公布号	US2230221(A)	申请公布日期	1941.02.04
申请号	US19390298411	申请日期	1939.10.07
申请人	FITCH WILLIAM H	发明人	FITCH WILLIAM H.
分类号	F28F21/04	主分类号	F28F21/04
代理机构		代理人
主权项
地址

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