![]() ![]() F16B37/043- Releasable devices with snap action.F16B37/04- Devices for fastening nuts to surfaces, e.g.F16B37/00- Nuts or like thread-engaging members.NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING ![]() F16B- DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g.F16- ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS THERMAL INSULATION IN GENERAL.F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING. ![]()
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