Improvements in method and apparatus for water-marking paper,申请号GB19480022817-传众专利搜索

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法人/股东/高管

发明名称	Improvements in method and apparatus for water-marking paper
摘要
申请公布号	GB643430(A)	申请公布日期	1950.09.20
申请号	GB19480022817	申请日期	1948.08.30
申请人	JAMES DONALD MACLAURIN	发明人
分类号	D21F1/44	主分类号	D21F1/44
代理机构		代理人
主权项
地址

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