IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F16

ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

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F16B

DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING

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31/00

Screwed connections specially modified in view of tensile load; Break-bolts

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F16B31/02

for indicating; the attainment of a particular tensile load; or limiting tensile load

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F16B2031/022

using an ultrasonic transducer

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