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经营范围
发明名称
Improvements in or relating to ships' steering gears
摘要
申请公布号
GB751608(A)
申请公布日期
1956.07.04
申请号
GB19540001003
申请日期
1954.01.13
申请人
ETABLISSEMENTS PAUL DUCLOS
发明人
分类号
B63H25/30
主分类号
B63H25/30
代理机构
代理人
主权项
地址
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