Reliefschablone zur Erzeugung echter Relief-Wasserzeichen.,申请号CHD206738-传众专利搜索

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发明名称	Reliefschablone zur Erzeugung echter Relief-Wasserzeichen.
摘要
申请公布号	CH206738(A)	申请公布日期	1939.08.31
申请号	CHD206738	申请日期	1938.06.21
申请人	WALTER,LUDWIG ERNST	发明人	ERNST WALTER,LUDWIG
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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