Carbonaceous additive of micronized black coal for foundry sand mixtures,申请号CZ19960005286U-传众专利搜索

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发明名称	Carbonaceous additive of micronized black coal for foundry sand mixtures
摘要
申请公布号	CZ5339(U1)	申请公布日期	1997.01.15
申请号	CZ19960005286U	申请日期	1996.05.02
申请人	KRIVANEC VACLAV	发明人	KRIVANEC VACLAV
分类号	B22C1/02;B22C1/00;(IPC1-7):B22C001/02;B22C001/00	主分类号	B22C1/02
代理机构		代理人
主权项
地址

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