Water tube boiler,申请号US19290372615-传众专利搜索

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发明名称	Water tube boiler
摘要
申请公布号	US1842235(A)	申请公布日期	1932.01.19
申请号	US19290372615	申请日期	1929.06.21
申请人	THE SUPERHEATER COMPANY	发明人	BARNES JOHN A.
分类号	F22B21/14	主分类号	F22B21/14
代理机构		代理人
主权项
地址

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