Road joints and method of producing same,申请号US19280254852-传众专利搜索

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发明名称	Road joints and method of producing same
摘要
申请公布号	US1953826(A)	申请公布日期	1934.04.03
申请号	US19280254852	申请日期	1928.02.16
申请人	WILLIAM HELTZEL JOSEPH	发明人	HELTZEL JOSEPH WILLIAM
分类号	E01C11/08	主分类号	E01C11/08
代理机构		代理人
主权项
地址

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