Road-smoothing machine,申请号US19270221025-传众专利搜索

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发明名称	Road-smoothing machine
摘要
申请公布号	US1755631(A)	申请公布日期	1930.04.22
申请号	US19270221025	申请日期	1927.09.21
申请人	BURNETT RICHARD A	发明人	BURNETT RICHARD A.
分类号	E01C23/082	主分类号	E01C23/082
代理机构		代理人
主权项
地址

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