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经营范围
发明名称
Davit and platform for boats
摘要
申请公布号
US3326161(A)
申请公布日期
1967.06.20
申请号
US19650435250
申请日期
1965.02.25
申请人
JOHNS RICHARD B
发明人
JOHNS RICHARD B.
分类号
B63B23/04
主分类号
B63B23/04
代理机构
代理人
主权项
地址
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