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last 30 patents
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Patent Grant
PVC board and method of manufacture
Patent number
11,021,874
Issue date
Jun 1, 2021
Taizhou Huali Plastic Co., LTD
Quanshan Cheng
E04 - BUILDING
Patents Applications
last 30 patents
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Patent Application
PVC BOARD AND METHOD OF MANUFACTURE
Publication number
20210260855
Publication date
Aug 26, 2021
Taizhou Huali Plastic Co., Ltd.
QUANSHAN CHENG
B32 - LAYERED PRODUCTS
Information
Patent Application
PVC BOARD AND METHOD OF MANUFACTURE
Publication number
20200055289
Publication date
Feb 20, 2020
Taizhou Huali Plastic Co., Ltd.
Quanshan CHENG
B32 - LAYERED PRODUCTS
Information
Patent Application
PVC BOARD AND METHOD OF MANUFACTURE
Publication number
20200047471
Publication date
Feb 13, 2020
Taizhou Huali Plastic Co., Ltd.
QUANSHAN CHENG
B32 - LAYERED PRODUCTS