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发明名称	CONCRETE FORM SUPPORT AND SPACER
摘要
申请公布号	CA332874(A)	申请公布日期	1933.05.30
申请号	CAD332874	申请日期
申请人	THE CEMENT GUN COMPANY	发明人	WILLIAM J. FERRY
分类号		主分类号
代理机构		代理人
主权项
地址

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