Concrete wall form,申请号US19380198774-传众专利搜索

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发明名称	Concrete wall form
摘要
申请公布号	US2157800(A)	申请公布日期	1939.05.09
申请号	US19380198774	申请日期	1938.03.29
申请人	JACK ORMSTEAD	发明人	ORMSTEAD JACK
分类号	E04G15/06	主分类号	E04G15/06
代理机构		代理人
主权项
地址

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