Automatically opening and closing window,申请号US19310548689-传众专利搜索

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法人/股东/高管

发明名称	Automatically opening and closing window
摘要
申请公布号	US1949793(A)	申请公布日期	1934.03.06
申请号	US19310548689	申请日期	1931.07.03
申请人	WILLIE S ING	发明人	ING WILLIE S.
分类号	E05F1/00	主分类号	E05F1/00
代理机构		代理人
主权项
地址

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