world patents index 世界专利索引...transference of patents 出卖专利...registration of patents 专利登记...technology transfer patents 技术转让专利权...amortization of patents 专利权摊销...patents registration 专利登记...patents court 专利法庭...reserve for expiration of patents 专利权销减准备...register of patents 专利权登记...international convention on patents 国际专利公约...
交流互动
发表言论