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Namiki Co., Ltd.
| Namiki Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090183488 | BALL CHAIN AND METHOD OF MANUFACTURING THE SAME - A ball chain including metal balls with a small wall thickness and can withstand a large tensile load are provided. A method of manufacturing the same includes rounding a piece of metal to form rotation-axis symmetric bodies | 07-23-2009 |