Planting spacer for flats,申请号US19430487697-传众专利搜索

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法人/股东/高管

发明名称	Planting spacer for flats
摘要
申请公布号	US2382221(A)	申请公布日期	1945.08.14
申请号	US19430487697	申请日期	1943.05.20
申请人	GROTH ALBERT T	发明人	GROTH ALBERT T.
分类号	A01C5/02	主分类号	A01C5/02
代理机构		代理人
主权项
地址

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