Application Number  00128947 Application Date  2000.09.17 Publication Number  1288783 Publication Date  2001.03.28 Priority Information     International Classification  B05B9/04;B05B9/08   Applicant(s) Name  Ma Ben   Address     Inventor(s) Name  Ma Ben   Patent Agency Code  00000 Patent Agent   AbstractThe present invention relates to a knapsack directional electric sprayer related to several technical fields Read more