Garage door opener,申请号US19300503322-传众专利搜索

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发明名称	Garage door opener
摘要
申请公布号	US1822951(A)	申请公布日期	1931.09.15
申请号	US19300503322	申请日期	1930.12.18
申请人	FRANK BOUCHER	发明人	BOUCHER FRANK
分类号	E05F13/04	主分类号	E05F13/04
代理机构		代理人
主权项
地址

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