TEACHING DEVICES FOR THE DEMONSTRATION OF THE MECHANICAL ENERGY PRESERVATION PATTERN,申请号HRP960055-传众专利搜索

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发明名称	TEACHING DEVICES FOR THE DEMONSTRATION OF THE MECHANICAL ENERGY PRESERVATION PATTERN
摘要
申请公布号	HRP960055(B1)	申请公布日期	1999.10.31
申请号	HRP960055	申请日期	1996.02.06
申请人	DRAGUTIN DUMIµ	发明人	DRAGUTIN DUMIµ
分类号	G09B23/10;(IPC1-7):G09B23/10	主分类号	G09B23/10
代理机构		代理人
主权项
地址

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