CA895580A
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Environmental correction computer
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CA785502A
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Time compression projector
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CA766498A
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Double axes interferometer
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CA821768A
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Stable optical systems and method of making
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CA782809A
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Single optical block interferometer means
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CA784963A
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Image transmitting means using fibre optic bundles
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CA760658A
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Automated work layout means
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CA766041A
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Projector means for animating cathode ray tube displays
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CA746649A
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Means for optical measuring about two axes
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CA861779A
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Layout machine with encoder means
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CA773248A
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Automatic measuring interferometer
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CA808073A
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Air bearing table
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CA746650A
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Optical angle measuring means
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CA768890A
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Angular interferometer means
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CA831410A
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Precision coordinate axes table means
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CA789815A
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Single and double beam interferometer means
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