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C22B
C22B3/00
C22B3/0004
C22B3/0005
C22B3/004
C22B3/0041
C22B3/0043
C22B3/0078
C22B3/0079
ClassID:
119231
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C22B3/0079 - CPC Classification
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#1
20150059528
2015-03-05
Method for extracting and separating rare-earth element
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