Anti-counterfeiting sign pen
A signature pen and refill technology, applied in printing, writing utensils, multi-purpose writing utensils, etc., can solve the problems of easy counterfeiting, loss, lack of artistry, appreciation, etc.
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[0011] An anti-counterfeiting signature pen, the tip of the pen tube (1) is made with a hole (2) exposing the tips of two refills, and two refills are arranged in the pen tube: a main refill with thick handwriting and a handwriting Thin sub-refill; the characters written by the main refill are black, and the characters written by the sub-refill are gray; the root of the sub-refill is equipped with a spring, so that the handwriting signed by the sub-refill is active and different from the handwriting signed by the main refill.
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