Hardness and thickness gauge,申请号US19440541566-传众专利搜索

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发明名称	Hardness and thickness gauge
摘要
申请公布号	US2435348(A)	申请公布日期	1948.02.03
申请号	US19440541566	申请日期	1944.06.22
申请人	TORJUS GROFF	发明人	GROFF TORJUS
分类号	G01B5/06;G01N3/42	主分类号	G01B5/06
代理机构		代理人
主权项
地址

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