SAND FOR PRODUCING CASTING SHELL MOULDS AND CORES USING HEATABLE PATTERN-CORE EQUIPMENT,申请号SU19772464193-传众专利搜索

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发明名称	SAND FOR PRODUCING CASTING SHELL MOULDS AND CORES USING HEATABLE PATTERN-CORE EQUIPMENT
摘要
申请公布号	SU730445(A1)	申请公布日期	1980.04.30
申请号	SU19772464193	申请日期	1977.03.21
申请人	VORONIN YURIJ F,SU	发明人	VORONIN YURIJ F,SU
分类号	B22C1/22;(IPC1-7):B22C1/22	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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