A.10 B.15 C.20 D.25
A.發(fā)明專利申請(qǐng) B.發(fā)明和外觀設(shè)計(jì)專利申請(qǐng) C.實(shí)用新型和外觀設(shè)計(jì)專利申請(qǐng) D.發(fā)明和實(shí)用新型申請(qǐng)
A.1 B.2 C.3 D.5