填空题

A--product warranty B--after-sale services
C--certification system D--copyright piracy
E--domestic products F--life of use
G--owner of copyright H--pirated copyright
I--potent legislation J--processing requirements
K--product design L--product coverage
M--product standards N--quality assurance system
O--skill-intensive
( )产品设计 ( )专利权

【参考答案】

K,I