Dry process photographic paper recording apparatus
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Respiratory gas analyzer including a carbon dioxide and respiratory quotient computer
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Exercise treadmill with inclination controlled chair mounted thereon
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Electrocardiographic computer
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Portable exercise machine including mounting frame therefor
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Electrocardiac computer
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Respiratory gas sampler
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Gas volume meter
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Respiratory gas analyzer for measuring and displaying oxygen uptake in expired air
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Stress balanced extendible boom structure
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ST SEGMENT CALCULATOR FOR THE EXAMINATION OF ELECTROCARDIOGRAMS
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Exercise treadmill
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Portable exercise machine
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Stress balanced extendible boom structure
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Apparatus for processing hexanitrostilbene
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Apparatus for automatically periodically measuring and displaying the total air expired by a subject during each of a succession of given time intervals
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Rotatable mirror angular position electronic measuring system for activating a digital display
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Dynamic egg presentation
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Lazy tong type boom structure with extension aid
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Drive and control system for diagnostic and therapeutic exercise treadmill
