Preformed strip for forming expansion joints,申请号US19420443143-传众专利搜索

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法人/股东/高管

发明名称	Preformed strip for forming expansion joints
摘要
申请公布号	US2321067(A)	申请公布日期	1943.06.08
申请号	US19420443143	申请日期	1942.05.15
申请人	DE WITT GUY C	发明人	WITT GUY C. DE
分类号	E01C11/08;E01C11/22	主分类号	E01C11/08
代理机构		代理人
主权项
地址

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