发明名称 |
DEVICE CAPABLE OF MOVING WHILE ADHERING TO OBJECT SURFACE UNDER LIQUID LEVEL |
摘要 |
<p>Outer and inner seals provided in the opening of outer and inner casing, contact with the object surface. Two gas regions are formed by combining outer and inner seals and inner and outer casings.</p> |
申请公布号 |
EP1491432(A1) |
申请公布日期 |
2004.12.29 |
申请号 |
EP20030712896 |
申请日期 |
2003.03.25 |
申请人 |
URAKAMI, FUKASHI |
发明人 |
URAKAMI, FUKASHI |
分类号 |
A47L11/38;B23K9/00;B23K37/02;B62D57/02;B62D57/024;B62D57/04;B63B59/10;(IPC1-7):B62D57/02 |
主分类号 |
A47L11/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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