发明授权
US5821451A Photoflash particle mixture 失效
闪光颗粒混合物

Photoflash particle mixture
摘要:
The invention relates to a photoflash mixture comprising a mixture of particles of zirconia and at least one oxidizer, wherein said zirconia particles comprise a mixture of smaller particles between about 2 and 10 .mu.m diameter, and larger particles between about 20 and 30 .mu.m average diameter.
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