Prestressed concrete reinforcing arch structure,申请号US19650496864-传众专利搜索

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发明名称	Prestressed concrete reinforcing arch structure
摘要
申请公布号	US3378965(A)	申请公布日期	1968.04.23
申请号	US19650496864	申请日期	1965.10.18
申请人	ALBEN V. BROQUIST	发明人	BROQUIST ALBEN V.
分类号	E04C3/44	主分类号	E04C3/44
代理机构		代理人
主权项
地址

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