Gate opening and closing device,申请号US19310574876-传众专利搜索

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法人/股东/高管

发明名称	Gate opening and closing device
摘要
申请公布号	US2045207(A)	申请公布日期	1936.06.23
申请号	US19310574876	申请日期	1931.11.13
申请人	EDWARD SPOONER ALBERT	发明人	SPOONER ALBERT EDWARD
分类号	E05F1/10	主分类号	E05F1/10
代理机构		代理人
主权项
地址

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