Certificate
invention patent certificate
Name: invention patent certificateCertificate No: ZL200510031587.3
Date: Apr 18, 2007
Range: product patent
Reference: knowledge office china
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Company Info
Changsha South Tantalum Niobium Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Changsha
Province/State: Hunan
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products