发明名称 |
Extruded plastic insulating film with sideho |
摘要 |
<p>The external casing film for heat or cold insulating materials has the hook and counter-hook fasteners formed as part of the extrusion process. Pref. the interlocking fastening is hollowed out to form a smooth surface connection.</p> |
申请公布号 |
DE2004748(A1) |
申请公布日期 |
1971.08.12 |
申请号 |
DE19702004748 |
申请日期 |
1970.02.03 |
申请人 |
KORFF & CO |
发明人 |
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分类号 |
F16L59/02;F16L59/10;(IPC1-7):16L59/00 |
主分类号 |
F16L59/02 |
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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