Invention Grant
US06361719B1 Method for manufacturing of black powder and black powder substitute 失效
黑色粉末和黑色粉末替代品的制造方法

Method for manufacturing of black powder and black powder substitute
Abstract:
Processes are disclosed for making black powder and black powder substitutes without requiring binder-effective amounts of a binder and lacquers.
Information query
Patent Agency Ranking
0/0