Production of binders for sand cores,申请号US19560605917-传众专利搜索

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发明名称	Production of binders for sand cores
摘要
申请公布号	US2963456(A)	申请公布日期	1960.12.06
申请号	US19560605917	申请日期	1956.08.20
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	JR. JOSEPH L. BETTS,;WIESE HERBERT K.
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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