Plafond,申请号BE19600598489-传众专利搜索

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发明名称	Plafond
摘要
申请公布号	BE598489(A2)	申请公布日期	1961.04.14
申请号	BE19600598489	申请日期	1960.12.23
申请人	GREGORIUS JOHANNES GROEN	发明人	GREGORIUS JOHANNES GROEN
分类号	(IPC1-7):E04B	主分类号	(IPC1-7):E04B
代理机构		代理人
主权项
地址

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