Method of producing artificial marble,申请号US19280308339-传众专利搜索

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发明名称	Method of producing artificial marble
摘要
申请公布号	US1755399(A)	申请公布日期	1930.04.22
申请号	US19280308339	申请日期	1928.09.25
申请人	JOHANN KNEIFL	发明人	KNEIFL JOHANN
分类号	C04B41/50;C04B41/68	主分类号	C04B41/50
代理机构		代理人
主权项
地址

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