| 发明名称 |
PROCEDIMIENTO Y APARATO PARA HACER RANURAS EN UNA VARILLA DEFILTRO PARA CIGARROS |
| 摘要 |
<p>Cigarette filters having grooves therein are prepared by subjecting cigarette filters to a groove-making device which includes heated groove-making elements therein, the grooves being formed by the use of heat and pressure as the cigarette filters come in contact with the groove-making elements.</p> |
| 申请公布号 |
ES503851(D0) |
申请公布日期 |
1982.04.16 |
| 申请号 |
ES19510005038 |
申请日期 |
1981.07.10 |
| 申请人 |
BROWN & WILLIAMSON TOBACCO CORPORATION |
发明人 |
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| 分类号 |
A24D3/02;A24D3/04;(IPC1-7):24D3/04 |
主分类号 |
A24D3/02 |
| 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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