首页>
外文OA文献
>Specification of a patent for an improvement in the percussion lock for guns, called the “concealed percussion gun lock.” Granted to Joel Newbury, Poughkeepsie, Dutchess county, New York, April 27th, 1880
【2h】
Specification of a patent for an improvement in the percussion lock for guns, called the “concealed percussion gun lock.” Granted to Joel Newbury, Poughkeepsie, Dutchess county, New York, April 27th, 1880
