| 发明名称 |
UNITARY WIND PIPE FOR AN INSULATING DOUBLE WIND PIPE |
| 摘要 |
<p>PURPOSE:A unitary wind pipe for an insulating wind pipe adapted to promote the ventilation efficiency, to be connected with another with ease and certainty, and to deal with trouble generated while used.</p> |
| 申请公布号 |
JPS523720(A) |
申请公布日期 |
1977.01.12 |
| 申请号 |
JP19750080307 |
申请日期 |
1975.06.27 |
| 申请人 |
DAIFUKU SHIYOUJI KK |
发明人 |
OOMACHI HIROSHI;KODA MIKIO |
| 分类号 |
F16L11/02;F16L59/00;F16L59/06;F24F13/02 |
主分类号 |
F16L11/02 |
| 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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