发明名称 Safe firecracker
摘要 There is disclosed a firecracker assembly comprising a casing member; and a firecracker member in the casing member. The firecracker member including a first powder portion and a first fuse attached thereto extending through the firecracker member and a second powder portion and a second fuse attached to said firecracker member, wherein the firecracker member is propelled out of the casing member.
申请公布号 US4495868(A) 申请公布日期 1985.01.29
申请号 US19820348920 申请日期 1982.02.16
申请人 MATTHEWS, JOHNNIE V. 发明人 MATTHEWS, JOHNNIE V.
分类号 F42B4/02;F42B4/04;(IPC1-7):F42B4/04;F42B4/22;F42B4/24 主分类号 F42B4/02
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