SEFT DEVELOPMENT LABORATORY CO., LTD.
SEFT DEVELOPMENT LABORATORY CO., LTD. Patent applications | ||
Patent application number | Title | Published |
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20090208693 | Human-Body Aimed Spacer, Human-Body Aimed Airflow Passage, And general-Purpose Spacer - There is provided a human-body aimed spacer for restricting rugged feeling, which is flexible and light-weighted and requires only a smaller storage space. The spacer comprises a number of convex parts | 08-20-2009 |