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经营范围
发明名称
Improvements in or relating to hatch covers
摘要
申请公布号
GB970211(A)
申请公布日期
1964.09.16
申请号
GB19600043427
申请日期
1960.12.16
申请人
INTERNATIONAL MAC GREGOR ORGANIZATION
发明人
分类号
B63B19/24
主分类号
B63B19/24
代理机构
代理人
主权项
地址
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