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发明名称
Improvements in or relating to wall or like plugs
摘要
申请公布号
GB527521(A)
申请公布日期
1940.10.10
申请号
GB19390011254
申请日期
1939.04.13
申请人
ERNEST EDWARD DE WINTON WILLS;CHARLES HAROLD TAYLOR
发明人
分类号
C04B40/06;F16B13/14
主分类号
C04B40/06
代理机构
代理人
主权项
地址
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