Damper,申请号US19370164829-传众专利搜索

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发明名称	Damper
摘要
申请公布号	US2142616(A)	申请公布日期	1939.01.03
申请号	US19370164829	申请日期	1937.09.20
申请人	JOHNSON SERVICE COMPANY	发明人	OTTO ARTHUR J.
分类号	F24F13/15	主分类号	F24F13/15
代理机构		代理人
主权项
地址

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