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经营范围
发明名称
Improvements in and relating to the treatment of road surfaces and the like
摘要
申请公布号
GB425148(A)
申请公布日期
1935.03.07
申请号
GB19340016574
申请日期
1934.06.04
申请人
FREDERICK WILLIAM VALLE-JONES
发明人
分类号
E01C7/35
主分类号
E01C7/35
代理机构
代理人
主权项
地址
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