本法由英国知识产权局颁布，于1977年开始实施。

This Law was promulgated by UK Intellectual Property Office. And the data of implementation was 1977.

youdao

本法由英国知识产权局颁布，于1977年开始实施。

This Law was promulgated by UK Intellectual Property Office. And the data of implementation was 1977.

youdao