CERAMIC PACKAGE MODULE
PURPOSE:To execute reliably welding and sealing as well as to prevent totally and inhibit the generation of a burr, adhesion of metal powder and the like by a method wherein projected parts are provided inward along the inner peripheral edge of a weld ring on the flange surface of a metal cap and re...
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Format: | Patent |
Sprache: | eng |
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Online-Zugang: | Volltext bestellen |
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