填空题

A--a registered trademark B--after-sale services
C--certification system D--copyright piracy
E--domestic products F--end product
G--gross weight H--life of use
I--owner of copyright J--pirated copyright
K--potent legislation L--processing requirements
M--product coverage N--transfer of technology
O--product quality guarantee P--unfinished products ( )使用年限 ( )售后服务