Improvements in methods of and apparatus for breaking concrete roads and the like,申请号GB19370024364-传众专利搜索

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发明名称	Improvements in methods of and apparatus for breaking concrete roads and the like
摘要
申请公布号	GB495589(A)	申请公布日期	1938.11.16
申请号	GB19370024364	申请日期	1937.09.07
申请人	JAMES COWAN HULBERT	发明人
分类号	E01C23/12	主分类号	E01C23/12
代理机构		代理人
主权项
地址

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