Air supply device
The present invention discloses an air supply device (1) provided with a mounting portion (2) mounted on a waist belt (B) wound at a waist of a user, a main body portion (4) which is proivded with an air supply mechanism (7) therein and is connected to the mounting portion (2) through a hinge portio...
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Format: | Patent |
Sprache: | chi ; eng |
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