Method and apparatus for molding concrete,申请号US19480009679-传众专利搜索

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发明名称	Method and apparatus for molding concrete
摘要
申请公布号	US2628402(A)	申请公布日期	1953.02.17
申请号	US19480009679	申请日期	1948.02.20
申请人	VACUUM CONCRETE, INC.	发明人	BILLNER KARL P.
分类号	B28B21/40	主分类号	B28B21/40
代理机构		代理人
主权项
地址

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