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发明名称
Harpoon spoon
摘要
申请公布号
US2179597(A)
申请公布日期
1939.11.14
申请号
US19380188359
申请日期
1938.02.02
申请人
PALSSON MAGNUS P
发明人
PALSSON MAGNUS P.
分类号
F42B30/14
主分类号
F42B30/14
代理机构
代理人
主权项
地址
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