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Turfing systems for stadia
In accordance with this invention a plurality of turf units for forming a continuous natural grass playing surface are employed which may be transported either together ...
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Process of laying synthetic grass
OF PREFERRED EMBODIMENTS With reference to FIG. 1, the invention relates to a synthetic grass turf assembly consisting of a pile fabric with an infill layer of ...
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Synthetic turf
It is the purpose of the present invention to provide an improved synthetic grass sports surface that is more resilient, and remains more resilient for a longer period ...
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Synthetic turf game surface
FIG. 1 schematically illustrates a fragment of a synthetic turf pile carpet 10. The carpet has numerous, closely spaced, tufts 11 which are formed of U-shaped, flat, ...
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Method of making a ceramic capacitor
Accordingly, a principal object of the present invention is to provide a ceramic capacitor which can remove such various disadvantages as described hereinabove and to ...
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Ion mobility spectrometer drift chamber
Therefore it is the object of the invention to improve a drift chamber of the kind mentioned above in such a way that it can be produced as a compact apparatus in a ...
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Miniaturized ion mobility spectrometer sensor cell
To accomplish the above and other objectives, the present invention provides for an improved ion mobility spectrometer for chemical warfare agents, and in particular to ...
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Flexboard reflector
To this end, a novel technique utilizing the precision of printed circuit board design and the physical versatility of thin, flexible substrates has been devised to ...
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Methods of making composite ultrasonic transducers
Therefore, it is an object of the invention to provide a reliable and not excessively expensive process for producing multiple-element ultrasonic transducers, wherein ...
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Method of making composite piezoelectric transducer arrays
The present invention is directed to a new composite structure providing thin wafers of piezoceramic which are electroded on opposing major first and second surfaces and ...
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Metal Working 
