Improvements in or connected with steel posts, props, pillars and the like, particularly posts for use in mines,申请号GB19370031443-传众专利搜索

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发明名称	Improvements in or connected with steel posts, props, pillars and the like, particularly posts for use in mines
摘要
申请公布号	GB505451(A)	申请公布日期	1939.05.11
申请号	GB19370031443	申请日期	1937.11.16
申请人	MAVOR & COULSON, LIMITED;GEORGE MACDONALD BUCHANAN	发明人
分类号	E21D17/082	主分类号	E21D17/082
代理机构		代理人
主权项
地址

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