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Application filed by 東京機械化工業株式会社filedCritical東京機械化工業株式会社
Priority to JP1978011578UpriorityCriticalpatent/JPS5826885Y2/ja
Publication of JPS55301UpublicationCriticalpatent/JPS55301U/ja
Application grantedgrantedCritical
Publication of JPS5826885Y2publicationCriticalpatent/JPS5826885Y2/ja
Method and device for producing a groove near an intended edge part of a conveyor belt, which groove is intended to be filled with a filler having sealing properties