所以很多专利是要在很多国家同时申请。

来源: 柠檬椰子汁于 2022-10-12 05:08:01 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.