Car door opener and closer,申请号US19330690868-传众专利搜索

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发明名称	Car door opener and closer
摘要
申请公布号	US1977396(A)	申请公布日期	1934.10.16
申请号	US19330690868	申请日期	1933.09.25
申请人	THE MINING SAFETY DEVICE COMPANY	发明人	MERRITT GLENN W.;BOWER RALPH J.
分类号	E05F11/54	主分类号	E05F11/54
代理机构		代理人
主权项
地址

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