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发明名称
Improvements relating to wall plugs
摘要
申请公布号
GB352538(A)
申请公布日期
1931.07.13
申请号
GB19300011540
申请日期
1930.04.11
申请人
JOHN JOSEPH RAWLINGS;THE RAWLPLUG COMPANY LIMITED
发明人
分类号
F16B13/14
主分类号
F16B13/14
代理机构
代理人
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