| 发明名称 |
Modelling terrain improvements |
| 摘要 |
A terrain model element and method of manufacture which has a latex shaped layer molded in a drying mold and supported by a flexible foamed plastics material. In one instance the foamed plastics is molded directly into the latex layer.
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| 申请公布号 |
US7520748(B2) |
申请公布日期 |
2009.04.21 |
| 申请号 |
US20050549497 |
申请日期 |
2005.09.19 |
| 申请人 |
MASON JAMES PETER |
发明人 |
MASON JAMES PETER |
| 分类号 |
G09B27/08;A63H19/36;A63H33/42;G09B23/40;G09B25/06 |
主分类号 |
G09B27/08 |
| 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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