Method and machine for making roofing tiles,申请号US19400361961-传众专利搜索

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发明名称	Method and machine for making roofing tiles
摘要
申请公布号	US2258553(A)	申请公布日期	1941.10.07
申请号	US19400361961	申请日期	1940.10.19
申请人	CLAUDE HARTLEY ALFRED	发明人	HARTLEY ALFRED CLAUDE
分类号	B28B11/08;B28B11/16	主分类号	B28B11/08
代理机构		代理人
主权项
地址

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