Coupler with Integrated Dip Tube and Coupling System for Drum Container Including the Same

The present invention relates to a coupler detachably coupled to an opening of a drum container to supply chemicals inside the drum container to a place where the chemicals are needed or to inject the chemicals into the drum container. The coupler includes: a coupler head having a chemical passage f...

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1. Verfasser: KIM KA IN
Format: Patent
Sprache:eng ; kor
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