发明名称 Extension device for shotgun
摘要 The present invention relates to a shotgun accessory which can be attached to and detached from the barrel of a shotgun. A shotgun accessory formed in accordance with the invention is an accessory barrel (6), the structure of which is such that it brings about the optional combustion of the gun powder in the shotgun's barrel and accessory barrel (6).
申请公布号 US2001001911(A1) 申请公布日期 2001.05.31
申请号 US20010754206 申请日期 2001.01.05
申请人 TOTVANEN JUKKA 发明人 TOTVANEN JUKKA
分类号 F41A21/32;(IPC1-7):F41A21/00 主分类号 F41A21/32
代理机构 代理人
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