Basic information of the full text of the application for patent disclosure details of invalid lottery card: application number: CN200520078207.7 Priority: no information available; Date of application: 2005-01-07; Publication/AnnouncementNo.: CN2775756 Publication date: April 26, 2006; Applicant/patentee: Xu Wenxuan's invention/announcement. 00 classification number: G07C5/00 Split application: No information available. Address: 7 10082| No.62, Unit 4, Building 3, Family Courtyard of Instrument Factory, No.99 Laodong North Road, Xi City, Shaanxi Province 102. Country and Province Code: Shaanxi (6 1) Release Date: Temporary Information Category Classification: Temporary Information Patent Agency: xi An Wensheng Patent Agency Co., Ltd. Agent: Lv Hong International Application: Temporary Information International Announcement: Temporary Information Entry Date: Temporary Information More Description Project Overview: A lottery lottery lottery ticket selection card, which is characterized by a cursor line (/kl) on the number selection card (3) printed with data. The cursor line (1, 2) can also vertically surround the front and back of the number plate (1). The cursor line (1, 2) is arranged perpendicular to the data arrangement direction. The number selection card can gradually narrow the number selection range by moving the cursor line for many times, and finally determine a group of numbers as betting numbers, so the winning rate can be greatly improved. The number selection card is small in size, light in weight, easy to carry and easy to operate.