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经营范围
发明名称
Propelling and steering device
摘要
申请公布号
US1936053(A)
申请公布日期
1933.11.21
申请号
US19280253480
申请日期
1928.02.10
申请人
LUIGI GHIRARDI
发明人
GHIRARDI LUIGI
分类号
B63H1/12
主分类号
B63H1/12
代理机构
代理人
主权项
地址
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