| 发明名称 |
REINFORCED SHEET HAVING CORRUGATED BOARDS ON BOTH SURFACES* APPARATUS AND PROCESS FOR PRODUCING SAME |
| 摘要 |
PURPOSE:To produce efficiently a sheet having especially reinforced corrugated surfaces that is further reinforced at desired sections, and has good outlook and good printability, by use of an apparatus which does not call for high installation expenses. |
| 申请公布号 |
JPS5237192(A) |
申请公布日期 |
1977.03.22 |
| 申请号 |
JP19750112377 |
申请日期 |
1975.09.17 |
| 申请人 |
KIYOKUTOU SHIBOUSAN KK |
发明人 |
ITOU HIDEJI;YOSHIDA YOUJI |
| 分类号 |
B32B3/28;B31F1/24;B31F1/28;B32B29/08 |
主分类号 |
B32B3/28 |
| 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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