Foundry sand moisture tester,申请号US19400344757-传众专利搜索

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发明名称	Foundry sand moisture tester
摘要
申请公布号	US2277953(A)	申请公布日期	1942.03.31
申请号	US19400344757	申请日期	1940.07.10
申请人	HERBERT S. SIMPSON	发明人	CHRISTENSEN ALFRED C.
分类号	B22C5/04;G01N27/04	主分类号	B22C5/04
代理机构		代理人
主权项
地址

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