Method of molding a concrete block equipped with a lifting strap,申请号US19330666477-传众专利搜索

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发明名称	Method of molding a concrete block equipped with a lifting strap
摘要
申请公布号	US1970860(A)	申请公布日期	1934.08.21
申请号	US19330666477	申请日期	1933.04.17
申请人	BENEDICT STONE PRODUCTS COMPANY	发明人	LOWELL JOHN W.
分类号	B28B23/00	主分类号	B28B23/00
代理机构		代理人
主权项
地址

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