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经营范围
发明名称
Improvements in and relating to lock or dock gates or caissons
摘要
申请公布号
GB437026(A)
申请公布日期
1935.10.21
申请号
GB19340012112
申请日期
1934.04.23
申请人
EDWARD BOX
发明人
分类号
E02B7/20
主分类号
E02B7/20
代理机构
代理人
主权项
地址
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