GAS BOTTLE WITH IMPROVED REFILL NOZZLE
PURPOSE: A gas bottle with improved refill nozzle is provided to simplify the structure, improve the durability, and reduce the manufacturing cost. CONSTITUTION: A gas bottle with improved refill nozzle comprises an upper cover(2) of which middle part is perforated in a prescribed diameter and which...
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Format: | Patent |
Sprache: | eng ; kor |
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