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last 30 patents
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Patent Grant
Method of producing a packaging material for making a packaging bag...
Patent number
9,946,149
Issue date
Apr 17, 2018
DONG AN BIO-TECH CO., LTD.
Cheng-Li Pao
A45 - HAND OR TRAVELLING ARTICLES
Patents Applications
last 30 patents
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Patent Application
PACKAGING MATERIAL FOR HAIR DYE AND PACKAGE BAG PRODUCED THEREFROM
Publication number
20240043194
Publication date
Feb 8, 2024
Cheng-Li Pao
B32 - LAYERED PRODUCTS