| 发明名称 |
PAIR TUBE HAVING AN INSULATION VOID AND ITS MANUFACTURING PROCESS |
| 摘要 |
<p>PURPOSE:To form an insulation void between both tubes of a pair tube simultaneously at the time of extrusion.</p> |
| 申请公布号 |
JPS5246563(A) |
申请公布日期 |
1977.04.13 |
| 申请号 |
JP19750122995 |
申请日期 |
1975.10.13 |
| 申请人 |
HITACHI CABLE |
发明人 |
AZUMA MASANOBU;HIYAMA TAKASHI;ENDOU MASAKATSU |
| 分类号 |
F16L11/04;B29B7/00;B29C47/00;B29C47/02;B29C47/12;F16L59/06;F16L59/14;F16L59/147;F24D3/10;F24F13/02 |
主分类号 |
F16L11/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
