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发明名称
Delay cap
摘要
申请公布号
US1964390(A)
申请公布日期
1934.06.26
申请号
US19320602133
申请日期
1932.03.31
申请人
HERCULES POWDER COMPANY
发明人
STUART JOSEPH
分类号
F42B3/16
主分类号
F42B3/16
代理机构
代理人
主权项
地址
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