Torque correcting round standard beam made of hard aluminum alloy material
The invention relates to a torque correcting round standard beam made of a hard aluminum alloy material. The torque correcting round standard beam comprises a round beam, a left scale pan and a right scale pan, and is characterized in that a cutter point serving as the center of the round beam is fo...
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Format: | Patent |
Sprache: | chi ; eng |
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