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发明名称
Releasing device
摘要
申请公布号
US2413450(A)
申请公布日期
1946.12.31
申请号
US19440564838
申请日期
1944.11.23
申请人
LEONARD P. FRIEDER
发明人
JOHNSEN BJORNULF
分类号
F42B22/00
主分类号
F42B22/00
代理机构
代理人
主权项
地址
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