Apparatus for post-tensioning concrete structures,申请号US19650454500-传众专利搜索

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发明名称	Apparatus for post-tensioning concrete structures
摘要
申请公布号	US3285569(A)	申请公布日期	1966.11.15
申请号	US19650454500	申请日期	1965.05.10
申请人	THE PRESCON CORPORATION	发明人	MARR ROBERT R. LA;NEWINS CHARLES E.
分类号	E04G21/12	主分类号	E04G21/12
代理机构		代理人
主权项
地址

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