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Thermally Expanded Microspheres And A Process For Producing The Same App 20120121907 - MASUDA; Toshiaki ;   et al. | 2012-05-17 |
Thermally expanded microspheres and a process for producing the same Grant 8,129,020 - Masuda , et al. March 6, 2 | 2012-03-06 |
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Heat-expanded microspheres, production process thereof, heat-expandable microspheres and application thereof Grant 7,807,729 - Masuda , et al. October 5, 2 | 2010-10-05 |
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