Method and apparatus for making floor and wall coverings,申请号US19470753604-传众专利搜索

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发明名称	Method and apparatus for making floor and wall coverings
摘要
申请公布号	US2557068(A)	申请公布日期	1951.06.19
申请号	US19470753604	申请日期	1947.06.10
申请人	ARMSTRONG CORK COMPANY	发明人	BERGER JOHN L.
分类号	D06N3/00	主分类号	D06N3/00
代理机构		代理人
主权项
地址

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