| 摘要 |
PURPOSE: A self-defense pen with combination of a common writing pen and a gas spray gun to be used for self-defense of the user against the threat of a rogue is provided. CONSTITUTION: The self-defense pen includes a gas storage(1) and a gas spray mechanism being operated by a push button(10) and a lock(17) for use as a gas spray when under a threat, but when not in use, the spray mechanism with the button is locked for a pen(14) to be used for writing.
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