Test tube heater,申请号US19350009838-传众专利搜索

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发明名称	Test tube heater
摘要
申请公布号	US2031019(A)	申请公布日期	1936.02.18
申请号	US19350009838	申请日期	1935.03.07
申请人	WALKER HARRY A;STRAND HAROLD P	发明人	WALKER HARRY A.;STRAND HAROLD P.
分类号	B01L7/00;H05B3/00	主分类号	B01L7/00
代理机构		代理人
主权项
地址

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