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mar 31, 1958 - C-4 patented by Phillips Petroleum Company
Description:
Phillips Petroleum Company patented C-4, which was a plastic explosive used both in every conflict following.
Added to timeline:
CH 345 - Polymer Themed
By
Mitch Amoriello
19 Apr 2021
0
0
379
Date:
mar 31, 1958
Now
~ 66 years ago
Images:
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