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Yanping Wang
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Shizuishan City, Ningxia, CN
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Patents Grants
last 30 patents
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Patent Grant
Methods for spherically granulating and agglomerating metal particl...
Patent number
7,666,247
Issue date
Feb 23, 2010
Ningxia Orient Tantalum Industry Co., Ltd.
Jilin He
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
METHODS FOR SPHERICALLY GRANULATING AND AGGLOMERATING METAL PARTICL...
Publication number
20070193409
Publication date
Aug 23, 2007
Ningxia Orient Tantalum Industry Co., Ltd.
Jilin He
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Methods for spherically granulating and agglomerating metal particl...
Publication number
20070068341
Publication date
Mar 29, 2007
Ningxia Orient Tantalum Industry Co., Ltd.
Yuewei Cheng
B22 - CASTING POWDER METALLURGY