Air cleaner,申请号US19230662782-传众专利搜索

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发明名称	Air cleaner
摘要
申请公布号	US1774352(A)	申请公布日期	1930.08.26
申请号	US19230662782	申请日期	1923.09.14
申请人	BULL ARTHUR A	发明人	BULL ARTHUR A.
分类号	F02M35/16	主分类号	F02M35/16
代理机构		代理人
主权项
地址

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