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经营范围
发明名称
Torpedo dart
摘要
申请公布号
US1893787(A)
申请公布日期
1933.01.10
申请号
US19320609908
申请日期
1932.05.07
申请人
SCHROEDER OTTO F
发明人
SCHROEDER OTTO F.
分类号
F42B4/16;F42B6/00
主分类号
F42B4/16
代理机构
代理人
主权项
地址
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