Drop door,申请号US19290390728-传众专利搜索

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发明名称	Drop door
摘要
申请公布号	US1799609(A)	申请公布日期	1931.04.07
申请号	US19290390728	申请日期	1929.09.06
申请人	GLENWOOD RANGE COMPANY	发明人	WILDE SAMUEL A.
分类号	F24C15/02	主分类号	F24C15/02
代理机构		代理人
主权项
地址

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