Road shoulder maintainer,申请号US19310556906-传众专利搜索

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法人/股东/高管

发明名称	Road shoulder maintainer
摘要
申请公布号	US1860922(A)	申请公布日期	1932.05.31
申请号	US19310556906	申请日期	1931.08.13
申请人	CALLAWAY ARCHIBALD B	发明人	CALLAWAY ARCHIBALD B.
分类号	E02F3/76	主分类号	E02F3/76
代理机构		代理人
主权项
地址

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