Improvements relating to foundry moulding sands,申请号GB19330015576-传众专利搜索

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发明名称	Improvements relating to foundry moulding sands
摘要
申请公布号	GB401217(A)	申请公布日期	1933.11.09
申请号	GB19330015576	申请日期	1933.05.30
申请人	SOCIETE L'AVEBENE	发明人
分类号	B22C1/02	主分类号	B22C1/02
代理机构		代理人
主权项
地址

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