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Method for purifying lactams
What is claimed is: 1. Process for purifying a lactam obtained from the cyclizing vapour-phase hydrolysis of an aliphatic aminonitrile, without prior distillation of the ...
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Resonant element
OF EMBODIMENTS OF THE INVENTION Hereinbelow, the embodiments in accordance with the present invention will be explained based on the drawings. In the descriptions of ...
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Portable pitcher's mound
In accordance with the present invention there is provided a portable pitcher's mound comprising a central hub and a plurality of individual components surrounding the ...
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Computer device having detachable keyboard mounted on a rotatable display
It is an object of the present invention to provide a computer device with a display comprising a body, a display rotatably mounted on the body and a keyboard having ...
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Control system for a cotton harvester
In view of the above and in accordance with the present invention, there is provided a relatively large capacity receptacle for cotton harvester. The receptacle includes ...
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Convertible elliptical and recumbent cycle
Accordingly, it is an object of the present invention to provide improved exercise apparatus that produce elliptical foot movement similar to that of running. Another ...
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Tool-supporting self-propelled robot platform
We claim: 1. A self-propelled robot platform for cooperative use in connection with a support surface permitting magnetic interaction between the platform and the ...
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Amusement system including riding capsule device
What is claimed is: 1. An amusement system comprising a riding capsule device including a capsule member and a base member, said capsule member engaging said base member,...
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Amusement apparatus having rotary capsule
An object of the present invention is therefore to provide an amusement apparatus having a rotary capsule, of which the rotating direction of the capsule can be changed ...
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Method and device for assisting handwriting training
To accomplish the foregoing and other objects of this invention there is provided a method and device for assisting handwriting training which helps to promote a proper ...
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