Dowel for concrete pavements,申请号US19370173785-传众专利搜索

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发明名称	Dowel for concrete pavements
摘要
申请公布号	US2267023(A)	申请公布日期	1941.12.23
申请号	US19370173785	申请日期	1937.11.10
申请人	W. S. GODWIN COMPANY, INC.	发明人	GODWIN WILLIAM S.
分类号	E01C11/14	主分类号	E01C11/14
代理机构		代理人
主权项
地址

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