一种超高水二次充填袋及充填方法

Release time:2023-09-01 Hits:

School Sign:第一单位

Disigner of the Invention:高翔,班建光

Type of Patent:国内

State of Patent:专利授权

Application Number:202010005162.X

Number of Inventors:3

Service Invention or Not:no

Application Date:2020-01-03

Authorization Date:2021-04-06

First Author:wangfangtian