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| Number | Title | Issue Date |
| 5717159 | Lead-free precussion primer mixes based on metastable interstitial composite (MIC) technology A lead-free percussion primer composition and a percussion cup containing e composition. The lead-free percussion primer composition is comprised of a mixture of about 45 wt % aluminum powder having an outer coating of aluminum oxide and molybdenum trioxi... | 02/10/1998 |