Heat-exchange apparatus,申请号US19270183404-传众专利搜索

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发明名称	Heat-exchange apparatus
摘要
申请公布号	US1758266(A)	申请公布日期	1930.05.13
申请号	US19270183404	申请日期	1927.04.13
申请人		发明人	SMITH ROLAND L.
分类号	F24D3/16;F28D1/03	主分类号	F24D3/16
代理机构		代理人
主权项
地址

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