Protractor,申请号US19320608291-传众专利搜索

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法人/股东/高管

发明名称	Protractor
摘要
申请公布号	US1944812(A)	申请公布日期	1934.01.23
申请号	US19320608291	申请日期	1932.04.29
申请人	SANDELL EDWARD W	发明人	SANDELL EDWARD W.
分类号	G01B3/56;G01C1/00	主分类号	G01B3/56
代理机构		代理人
主权项
地址

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