The present invention provides a portable cassette regenerator shape and a portable cassette regenerator shape and function combined gas injector instead of a gun-shaped gas injector (gas gun) such as a conventional pistol in order to facilitate carrying and use of the gas injector.;1 is a diagram illustrating a conventional portable cassette player (GGG).;2 is a diagram showing a gun-like gas injector (gas gun): (HHH) such as a conventional pistol.;3 is a view showing a portable cassette regenerator shape gas injector III of the present invention.;4 is a view showing a portable cassette regenerator shape and function combined gas injector (JJJ) of the present invention.
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