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Home › Rotary compressor having a combined vane-roller structure including a ferrosoferric oxide film on a surface of a coupling groove of the roller

Rotary compressor having a combined vane-roller structure including a ferrosoferric oxide film on a surface of a coupling groove of the roller

US Patent 11555404 · Granted Jan 17, 2023

Estimated economic value: $20,000 ⓘ

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