| 发明名称 |
Plastic bag for the vacuum preservation of food |
| 摘要 |
A bag of plastic material for vacuum preservation of food comprises two rectangular walls joined together along three sides. The width of one of the walls is larger than the width of the other wall by a predetermined quantity, preferably about 5%.
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| 申请公布号 |
US2004240756(A1) |
申请公布日期 |
2004.12.02 |
| 申请号 |
US20040849917 |
申请日期 |
2004.05.21 |
| 申请人 |
NUOVA POLIVER DI ODDONE COLOMBA & C. S.N.C. |
发明人 |
MALASPINA ALBERTO |
| 分类号 |
B31B19/10;B31B23/00;B31B41/00;B31B45/00;B65D30/00;B65D81/20;(IPC1-7):B65D33/00 |
主分类号 |
B31B19/10 |
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