Process of making prestressed concrete structures,申请号US19520292877-传众专利搜索

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发明名称	Process of making prestressed concrete structures
摘要
申请公布号	US2859504(A)	申请公布日期	1958.11.11
申请号	US19520292877	申请日期	1952.06.11
申请人	CROWLEY FRANCIS X	发明人	CROWLEY FRANCIS X.
分类号	E04B1/94;E04C3/26	主分类号	E04B1/94
代理机构		代理人
主权项
地址

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