Joint for railway sections,申请号GB19390023429-传众专利搜索

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发明名称	Joint for railway sections
摘要
申请公布号	GB532046(A)	申请公布日期	1941.01.16
申请号	GB19390023429	申请日期	1939.08.14
申请人	JEAN JULES ARNOLD BOURGEOIS	发明人
分类号	E01B11/44	主分类号	E01B11/44
代理机构		代理人
主权项
地址

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