Method and apparatus for cleaning gravel or the like,申请号US19280319558-传众专利搜索

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发明名称	Method and apparatus for cleaning gravel or the like
摘要
申请公布号	US1812280(A)	申请公布日期	1931.06.30
申请号	US19280319558	申请日期	1928.11.15
申请人	BEBOUT GUY B	发明人	BEBOUT GUY B.
分类号	B03B5/56	主分类号	B03B5/56
代理机构		代理人
主权项
地址

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