strasbourg agreement concerning the international patent classification
Related Translations:
专利: patent 短语和例子申请专利 apply for a patent; 实施专利 work one's patent; 制造、使用或销售专利产品 make, use or sell a patented product; 专利保障 patent protection; 专利标记 patent marking; 专利产品 patented product; 专利登记 pat