Soil disintegrating and sifting screen,申请号US19430479384-传众专利搜索

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发明名称	Soil disintegrating and sifting screen
摘要
申请公布号	US2415675(A)	申请公布日期	1947.02.11
申请号	US19430479384	申请日期	1943.03.16
申请人	CROSSLEY ROBERT H	发明人	CROSSLEY ROBERT H.
分类号	B07B1/28	主分类号	B07B1/28
代理机构		代理人
主权项
地址

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