以第一发明人获得一项有关微穿孔板方面的发明专利。

Obtain to concern small bore a hole with the first inventor board the invention of the respect is patent.

youdao

以第一发明人获得一项有关微穿孔板方面的发明专利。

Obtain to concern small bore a hole with the first inventor board the invention of the respect is patent.

youdao