This Law was promulgated by German Patent and Trademark Office. And the data of implementation was January 1, 1987.

实用新型法由德国专利商标局颁布，自1987年1月1日起开始实施。

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This Law was promulgated by German Patent and Trademark Office. And the data of implementation was January 1, 1987.

实用新型法由德国专利商标局颁布，自1987年1月1日起开始实施。

youdao