The SOLE FIGURE is a side view of a solid fuel sphere showing my new design, with the opposite side being a mirror image.
The SOLE FIGURE is a side view of a solid fuel sphere showing my new design, with the opposite side being a mirror image.
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Number | Date | Country | |
---|---|---|---|
Parent | 29450137 | Mar 2013 | US |
Child | 29550854 | US |