| Current U.S. Class: | 534/693; 534/722; 534/728; 534/842; 540/132; 552/106; 552/221; 534/723; 534/793; 534/837; 540/131; 540/133; 552/112; 552/228; 562/89 |
| Current CPC Class: |
C09B 47/26 (20130101); C09B 69/04 (20130101) |
| Current International Class: |
C09B 69/00 (20060101); C09B 69/04 (20060101); C09B 47/04 (20060101); C09B 47/26 (20060101) |
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