Method of making concrete building blocks,申请号US19360060073-传众专利搜索

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发明名称	Method of making concrete building blocks
摘要
申请公布号	US2099946(A)	申请公布日期	1937.11.23
申请号	US19360060073	申请日期	1936.01.21
申请人	STRAUB FRANCIS J	发明人	STRAUB FRANCIS J.
分类号	B28B1/04	主分类号	B28B1/04
代理机构		代理人
主权项
地址

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