Improvements in or relating to foundry cores and method of preparing same,申请号GB19370018220-传众专利搜索

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发明名称	Improvements in or relating to foundry cores and method of preparing same
摘要
申请公布号	GB493001(A)	申请公布日期	1938.09.30
申请号	GB19370018220	申请日期	1937.06.08
申请人	HERCULES POWDER COMPANY	发明人
分类号	B22C1/22;B22C1/24	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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