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发明名称
Anordning för utdragning av linjer på släta ytor eller golv
摘要
申请公布号
FI25583(A)
申请公布日期
1952.02.11
申请号
FID25583
申请日期
1949.02.23
申请人
C.H. JOHNSON (MACHINERY) LTD
发明人
HARTLEY JOHN ARTHUR
分类号
E01F9/518;A63B71/06
主分类号
E01F9/518
代理机构
代理人
主权项
地址
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