TSURUMI SEIKI CO., LTD.
Yokohama-city, JP
TSURUMI SEIKI CO., LTD. Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20090166309 | Hoisting device with vertical motion compensation function - A hoisting device can be small-sized and energy can be saved. A hoisting device | 07-02-2009 |