Azimuth ring printing stamp for maps,申请号US19490080020-传众专利搜索

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法人/股东/高管

发明名称	Azimuth ring printing stamp for maps
摘要
申请公布号	US2582943(A)	申请公布日期	1952.01.22
申请号	US19490080020	申请日期	1949.03.07
申请人	BARKER RAY C	发明人	BARKER RAY C.
分类号	B41K1/00;B41K1/38	主分类号	B41K1/00
代理机构		代理人
主权项
地址

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