专利权归老八,四哥做推销员,可以与买家现场示范 
还没,如果成功,可以申请专利了。
本帖于 2022-05-25 16:42:41 时间, 由普通用户 爪四哥 编辑
专利权归老八,四哥做推销员,可以与买家现场示范 
WENXUECITY.COM does not represent or guarantee the truthfCCPA ulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2026 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy