Lead Engineering Co., Ltd.
Lead Engineering Co., Ltd. Patent applications | ||
Patent application number | Title | Published |
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20110133446 | Packing - Provided is a packing used for a screwless coupling used for coupling two tubes such as electrical wire tubes to be coupled with each other, which is capable of exerting a water-proof effect and making fitting of the packing as easy as possible. A packing ( | 06-09-2011 |