Improvements in and connected with the manufacture of sand cores,申请号GB19430000786-传众专利搜索

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发明名称	Improvements in and connected with the manufacture of sand cores
摘要
申请公布号	GB562320(A)	申请公布日期	1944.06.27
申请号	GB19430000786	申请日期	1943.01.15
申请人	J. PARKES JUNR. LIMITED;RALPH DAINTY	发明人
分类号	B22C13/12	主分类号	B22C13/12
代理机构		代理人
主权项
地址

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