Hollow body assembly and method of making the same
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Method for coating surfaces with a multicomponent mixture of plastic materials involves heating to produce degassing temperatures, cooling to ensure a presence of liquid phases, and reheating to lower viscosities
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Multi layer construction element with at least one honeycomb layer, has honeycomb formed by thin layers with intermeshing positive and negative hollow bodies
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Hi-hat
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Triple hi-hat with a simple operating device
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Rhythm instrument with several cymbals of graduated diameters
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Tuning device for a drum
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Percussion instrument, especially a drum
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Triple hi-hat with simple controls
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Application of plastic coating to inside of pipes involves projecting coating material to wall from mixer travelling along inside of pipe
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Mass production of hard musical drum bodies in plastic
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Rhythm instrument with cymbals, control and recessed middle
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Process for the production of walls for closed profiles and objects
