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法人/股东/高管

发明名称	Protractor
摘要
申请公布号	US2361807(A)	申请公布日期	1944.10.31
申请号	US19410424851	申请日期	1941.12.30
申请人	WOLFE LEM W	发明人	WOLFE LEM W.
分类号		主分类号
代理机构		代理人
主权项
地址

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