| Original language | Japanese |
|---|---|
| Patent number | 特許第3654432号 |
| IPC | 特開2002-270947 |
| State | Published - 20 Sep 2002 |
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| Original language | Japanese |
|---|---|
| Patent number | 特許第3654432号 |
| IPC | 特開2002-270947 |
| State | Published - 20 Sep 2002 |