发明名称 |
POSITION INDICATING MARKER |
摘要 |
PROBLEM TO BE SOLVED: To provide a position indicating marker capable of indicating a position on a water surface over a long period. SOLUTION: This position indicating marker is provided with a first water surface coloring means which immediately colors the water surface after landing on the water, and a second water surface coloring means which continuously colors the water surface over a long period after landing onto the water. |
申请公布号 |
JP2002216254(A) |
申请公布日期 |
2002.08.02 |
申请号 |
JP20010008085 |
申请日期 |
2001.01.16 |
申请人 |
HOSOYA FIREWORKS CO LTD |
发明人 |
HOSOYA FUMIO;SHIMAI TAKESHIRO |
分类号 |
B63C9/20;G08B5/00;G08B5/02;G08B5/40;G09F19/02 |
主分类号 |
B63C9/20 |
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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