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Inventor: Lau; Nam S.
Address: Hong Kong, HK
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4697518 |
Molded fireworks |
October 6, 1987 |
| A pyrotechnic device having a maximum explosive effect with a minimum quantity of explosive composition. The device is in the form of a polyurethane plastic foam body molded about a firecracker tube. The firecracker tube contains a small explosive composition charge therein and into |
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