Divisible flat for greenhouses,申请号US19350025543-传众专利搜索

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发明名称	Divisible flat for greenhouses
摘要
申请公布号	US2022548(A)	申请公布日期	1935.11.26
申请号	US19350025543	申请日期	1935.06.08
申请人	OTWELL RALPH B	发明人	OTWELL RALPH B.
分类号	A01G9/10	主分类号	A01G9/10
代理机构		代理人
主权项
地址

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