Draagconstructie voor een schoolbord, projectiescherm of dergelijk voorwerp.,申请号BE19620618209-传众专利搜索

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发明名称	Draagconstructie voor een schoolbord, projectiescherm of dergelijk voorwerp.
摘要
申请公布号	BE618209(A2)	申请公布日期	1962.09.17
申请号	BE19620618209	申请日期	1962.05.28
申请人	HENDRIK WOLTERS	发明人	HENDRIK WOLTERS
分类号	(IPC1-7):B43F;G03B	主分类号	(IPC1-7):B43F
代理机构		代理人
主权项
地址

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