Improvements in apparatus for laying road surfacing compositions,申请号GB19300006012-传众专利搜索

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发明名称	Improvements in apparatus for laying road surfacing compositions
摘要
申请公布号	GB344643(A)	申请公布日期	1931.03.12
申请号	GB19300006012	申请日期	1930.02.24
申请人	HAROLD EDWIN POTTS	发明人
分类号	E01C19/45	主分类号	E01C19/45
代理机构		代理人
主权项
地址

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