Container for photoprocessing materials

A container for photochemical materials has a frangible closure. The frangible closure has a central weakness and a central portion having a thickness and a central portion of greater thickness than the thickness of the central weakness. A radial weakness connects with the central weakness enabling...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOHNSON GERALD L, HOOVER LYNN C, SCHWALLIE SCOTT H, RZEPKA JOHN M
Format: Patent
Sprache:eng
Schlagworte:
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