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发明名称
Improvements in or relating to wood-block and like pavings and floorings
摘要
申请公布号
GB504355(A)
申请公布日期
1939.04.21
申请号
GB19370028688
申请日期
1937.10.21
申请人
WILLIAM THOMAS GRAVES;THE IMPROVED WOOD PAVEMENT COMPANY LIMITED
发明人
分类号
E01C5/14
主分类号
E01C5/14
代理机构
代理人
主权项
地址
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