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发明名称
Pontoon
摘要
申请公布号
US1821320(A)
申请公布日期
1931.09.01
申请号
US19290413052
申请日期
1929.12.10
申请人
PLUMMER SIDNEY G
发明人
PLUMMER SIDNEY G.
分类号
B63B35/34
主分类号
B63B35/34
代理机构
代理人
主权项
地址
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