Kollergang zur Zerkleinerung von Sand,申请号DED542012D-传众专利搜索

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发明名称	Kollergang zur Zerkleinerung von Sand
摘要
申请公布号	DE542012(C)	申请公布日期	1932.01.18
申请号	DED542012D	申请日期
申请人	ELMER OSCAR BEARDSLEY;WALTER FRANCIS PIPER	发明人
分类号	B02C15/14	主分类号	B02C15/14
代理机构		代理人
主权项
地址

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