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Priority to JP2572178UpriorityCriticalpatent/JPS6121401Y2/ja
Publication of JPS54129028UpublicationCriticalpatent/JPS54129028U/ja
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Publication of JPS6121401Y2publicationCriticalpatent/JPS6121401Y2/ja
Open and close-ended grommets having one or more flange cut-out and crease-marks for further flexibility in their attachment to apertures of metal studs or panels