| 发明名称 |
String for tennis rackets and the like |
| 摘要 |
Racket string for tennis rackets and the like, comprising a core/sheath composite monofilament of plastic, each layer having a different colouring, so that the progressive wearing of the string can be seen from the changes in colour and it is possible to predict when a string will break.
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| 申请公布号 |
DE3619447(A1) |
申请公布日期 |
1986.12.11 |
| 申请号 |
DE19863619447 |
申请日期 |
1986.06.10 |
| 申请人 |
GOSEN CO.,LTD. |
发明人 |
IGAWA,KEISUKE;MASAKI,MICHIHIRO;MURAKAMI,TADASHI |
| 分类号 |
A63B51/02;(IPC1-7):A63B51/02 |
主分类号 |
A63B51/02 |
| 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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