Slope gauge for graders,申请号US19390252239-传众专利搜索

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发明名称	Slope gauge for graders
摘要
申请公布号	US2189699(A)	申请公布日期	1940.02.06
申请号	US19390252239	申请日期	1939.01.23
申请人	BLUNK DANIEL Q	发明人	BLUNK DANIEL Q.
分类号	E02F9/26	主分类号	E02F9/26
代理机构		代理人
主权项
地址

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