Improvements in bracket or arm seats for tramway and other poles,申请号GB19290016028-传众专利搜索

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发明名称	Improvements in bracket or arm seats for tramway and other poles
摘要
申请公布号	GB328477(A)	申请公布日期	1930.05.01
申请号	GB19290016028	申请日期	1929.05.24
申请人	JOHN SPENCER LIMITED;THOMAS HARRIS SPENCER	发明人
分类号	E04H12/24	主分类号	E04H12/24
代理机构		代理人
主权项
地址

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