LEERMIDDEL,,申请号BED752057-传众专利搜索

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发明名称	LEERMIDDEL,
摘要
申请公布号	BE752057(A2)	申请公布日期	1970.12.01
申请号	BED752057	申请日期	1970.06.16
申请人	POORT DIRK J., KONINGIN WILHELMINALAAN 28, MAASSLUIS (NEDERLAND),	发明人
分类号	G09B19/02;(IPC1-7):G09B/	主分类号	G09B19/02
代理机构		代理人
主权项
地址

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