Qingdao, CN
Information
Patent Grant
Amos Chemicals Inc.
Yuhai Gao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Qingdao Amos Resource and Technology Co., Ltd.
Yuhai GAO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
