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SHANDONG RUYI SCI. & TECH. GROUP
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JINING, CN
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Patents Applications
last 30 patents
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Patent Application
Embedded type system positioning spinning method
Publication number
20100162677
Publication date
Jul 1, 2010
Shandong Ruyi Sci & Tech. Group,
Yafu Qiu
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING