Built-in ventilator,申请号US19360113519-传众专利搜索

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发明名称	Built-in ventilator
摘要
申请公布号	US2087833(A)	申请公布日期	1937.07.20
申请号	US19360113519	申请日期	1936.11.30
申请人	BOUTTE ALINE M	发明人	BOUTTE ALINE M.
分类号	F24C15/20	主分类号	F24C15/20
代理机构		代理人
主权项
地址

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