Thick measuring caliper of stem of plant
The utility model discloses a thick measuring caliper of stem of plant, its can simultaneous measurement irregularity cylinder two quadrature diameter values of same cross section. These slide caliper rule include fixed equilateral right angle " L a " chi and two movable chis of taking the...
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Hauptverfasser: | , , , , , , , , , , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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