Concrete block mold,申请号US19430508125-传众专利搜索

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发明名称	Concrete block mold
摘要
申请公布号	US2355967(A)	申请公布日期	1944.08.15
申请号	US19430508125	申请日期	1943.10.29
申请人	GREENWALT MARION E	发明人	GREENWALT MARION E.
分类号	B28B7/00;B28B7/36	主分类号	B28B7/00
代理机构		代理人
主权项
地址

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