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last 30 patents
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Patent Grant
Automatic carton forming device
Patent number
11,840,042
Issue date
Dec 12, 2023
BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
Lijuan Liang
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Patents Applications
last 30 patents
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Patent Application
TERMINAL FUNCTIONAL SIDE CHAIN-SUBSTITUTED DIKETOPYRROLOPYRROLE (DP...
Publication number
20230144449
Publication date
May 11, 2023
Beijing Institute Of Graphic Communication
Shengzhen LIU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...