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Priority to JP8498670ApriorityCriticalpatent/JPS4914591B1/ja
Publication of JPS4914591B1publicationCriticalpatent/JPS4914591B1/ja
Disc whetstone having a grinding surface consisting of teeth rows that are inclined opposingly from the right and left sides having sharpnes s on the axial line in the lengthwise direction of the periphery
Disc whetstone having a grinding surface consisting of teeth rows that are inclined opposingly from the right and left sides having sharpnes s on the axial line in the lengthwise direction of the periphery