|
2018
|
Invention
|
Airtightly sealed bag equipped with check valve. Provided is an airtightly sealed bag comprising ... |
|
|
Invention
|
Check valve and package with check valve. Provided are a check valve made of sheets and having a ... |
|
2015
|
Invention
|
Check valve structure of bag body and production method for the same.
A check valve structure wi... |
|
|
Invention
|
Bag body check valve structure, and method for manufacturing same. Provided is a check valve stru... |
|
2012
|
Invention
|
Packaging body for accommodating fluid. The purpose of the present invention is to provide a pack... |
|
2010
|
Invention
|
Check valve and storage body equipped with same. Provided are a check valve (10) with which a flu... |
|
|
Invention
|
Check valve, sealing bag, and production methods for both.
To provide a check valve and a sealin... |
