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发明名称
Improvements in or relating to gully covers for street drains
摘要
申请公布号
GB457901(A)
申请公布日期
1936.12.08
申请号
GB19350027900
申请日期
1935.10.09
申请人
BROAD AND COMPANY LIMITED;JOHN MAJOR
发明人
分类号
E03F5/046
主分类号
E03F5/046
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代理人
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