发明授权
US4064300A Laminated materials 失效
层压材料

Laminated materials
摘要:
Laminated material comprises two spaced sheets, one having perforations and one being plain, the sheets being connected by heat conductive portions. Cooling fluid is passed through the perforations, impinges on the plain sheet and then passes between the sheets to discharge from the end of the laminate.
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