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SEWING MACHINE PROVIDED WITH R NEEDLE* TO WHICH ARM LEVER FOR FORMING THREAD LOOP AND ARM LEVER FOR GUIDING R NEEDLE ARE MOUNTED* AND ROTARY HOOK BUILTTIN UNIT PATTERN
SEWING MACHINE PROVIDED WITH R NEEDLE* TO WHICH ARM LEVER FOR FORMING THREAD LOOP AND ARM LEVER FOR GUIDING R NEEDLE ARE MOUNTED* AND ROTARY HOOK BUILTTIN UNIT PATTERN
