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经营范围
发明名称
Surface watercraft
摘要
申请公布号
US3247821(A)
申请公布日期
1966.04.26
申请号
US19640344977
申请日期
1964.02.14
申请人
GRAIG WALDEMAR A
发明人
GRAIG WALDEMAR A.
分类号
B63B1/22
主分类号
B63B1/22
代理机构
代理人
主权项
地址
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