SURFACE PROCESSING STRUCTURE, SURFACE PROCESSING SHEET, AND PROPELLER FAN
A surface-processed structure includes a blocks arranged side by side in a first direction parallel to a target surface. The blocks are three-dimensional objects arranged on the target surface. Each of the blocks includes an inclined surface extending from upstream to downstream in the first directi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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