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发明名称
Toy rocket
摘要
申请公布号
US2642289(A)
申请公布日期
1953.06.16
申请号
US19500169223
申请日期
1950.06.20
申请人
GERSMEHL SR VERN R
发明人
SR. VERN R. GERSMEHL,
分类号
F41B3/00
主分类号
F41B3/00
代理机构
代理人
主权项
地址
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