The broken lines shown in the drawings depict portions of the ultrasonic cutter head that form no part of the claimed design. The dash-dot broken lines define the bounds of the claimed design and form no part of thereof.
The broken lines shown in the drawings depict portions of the ultrasonic cutter head that form no part of the claimed design. The dash-dot broken lines define the bounds of the claimed design and form no part of thereof.
Number | Date | Country | Kind |
---|---|---|---|
201930414085.1 | Jul 2019 | CN | national |
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