Improvements relating to metal casting,申请号GB19370012159-传众专利搜索

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发明名称	Improvements relating to metal casting
摘要
申请公布号	GB491174(A)	申请公布日期	1938.08.29
申请号	GB19370012159	申请日期	1937.04.28
申请人	THE UNITED STEEL COMPANIES LIMITED;NORWOOD HENRY BACON	发明人
分类号	B22D35/04	主分类号	B22D35/04
代理机构		代理人
主权项
地址

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