Door closer mechanism,申请号US19650455691-传众专利搜索

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发明名称	Door closer mechanism
摘要
申请公布号	US3372427(A)	申请公布日期	1968.03.12
申请号	US19650455691	申请日期	1965.05.14
申请人	MAUNO KALEVI KOIVUSALO	发明人	KOIVUSALO MAUNO KALEVI
分类号	E05F3/10	主分类号	E05F3/10
代理机构		代理人
主权项
地址

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