Method of making vaults,申请号US19350046496-传众专利搜索

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发明名称	Method of making vaults
摘要
申请公布号	US2086761(A)	申请公布日期	1937.07.13
申请号	US19350046496	申请日期	1935.10.24
申请人	AMERICAN CONCRETE RECEPTICAL COMPANY	发明人	BEGUN ALEX;WISE ROBERT W.
分类号	E04H13/00	主分类号	E04H13/00
代理机构		代理人
主权项
地址

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