Pigment of multi-gradition discolour at diffierent direction and production process thereof
Pigment of multi-gradition discolour at diffierent direction and production process thereof
- CN 1,266,229 C
- Filed: 08/10/2004
- Issued: 07/26/2006
- Est. Priority Date: 08/10/2004
- Status: Active Grant
- EN CH
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- Pin
