| 发明名称 |
PROTECTIVE DEVICE FOR EXPANDABLE JOINT FOR ROAD BRIDGE |
| 摘要 |
PROBLEM TO BE SOLVED: To protect an expandable joint of a road bridge from a snow plow. SOLUTION: This expandable joint 3 is supported by protective plates 16 arranged on both sides, and plow guiding plates 17 are installed on the protective plates 16. COPYRIGHT: (C)2003,JPO |
| 申请公布号 |
JP2003253609(A) |
申请公布日期 |
2003.09.10 |
| 申请号 |
JP20020058883 |
申请日期 |
2002.03.05 |
| 申请人 |
ARAI MOTONOSUKE;ARAI YOSHIMASA |
发明人 |
ARAI MOTONOSUKE;ARAI YOSHIMASA |
| 分类号 |
E01C11/02;E01D19/06;E01D101/40;(IPC1-7):E01C11/02 |
主分类号 |
E01C11/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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