Investment casting of metals,申请号US19520290375-传众专利搜索

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发明名称	Investment casting of metals
摘要
申请公布号	US2758936(A)	申请公布日期	1956.08.14
申请号	US19520290375	申请日期	1952.05.27
申请人	HYMAN ROSENTHAL;SAMUEL LIPSON	发明人	ROSENTHAL HYMAN;LIPSON SAMUEL
分类号	B22C1/18;B22C9/04	主分类号	B22C1/18
代理机构		代理人
主权项
地址

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