Automatic control of ventilation means,申请号US19560570397-传众专利搜索

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发明名称	Automatic control of ventilation means
摘要
申请公布号	US2816712(A)	申请公布日期	1957.12.17
申请号	US19560570397	申请日期	1956.03.08
申请人	HERRESHOFF CLARENCE D	发明人	HERRESHOFF CLARENCE D.
分类号	B63J2/00	主分类号	B63J2/00
代理机构		代理人
主权项
地址

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