Means for and method of manufacturing mineral wool felted materials,申请号US19410378976-传众专利搜索

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发明名称	Means for and method of manufacturing mineral wool felted materials
摘要
申请公布号	US2319666(A)	申请公布日期	1943.05.18
申请号	US19410378976	申请日期	1941.02.14
申请人	AMERICAN ROCK WOOL CORP.	发明人	DRILL DANIEL C.
分类号	C03B37/06	主分类号	C03B37/06
代理机构		代理人
主权项
地址

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