Waterproof plug
The utility model discloses a waterproof plug which is composed of a male plug, a female plug, a connecting male plug, a female plug and a nut, the outer side face of an external thread positioning ring on the male plug is sleeved with a first waterproof ring, the outer side face of a butt joint rin...
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Format: | Patent |
Sprache: | chi ; eng |
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