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发明名称
Power spear
摘要
申请公布号
US2708860(A)
申请公布日期
1955.05.24
申请号
US19540455031
申请日期
1954.09.09
申请人
DIVING CORPORATION
发明人
ARPIN JOHN W.
分类号
F41B13/10;F42B30/14
主分类号
F41B13/10
代理机构
代理人
主权项
地址
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