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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Tsay; Ming-Guei
Address:
Shin-Chu City, TW
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4757986 Structural improvement of motion type solid water ball July 19, 1988
This invention relates to a kind of the structural improvement of the motion type solid water ball. The major improvement is to place permanent magnets respectively on the upper movable plate and the lower fixed plate in a form of combination arrangement. The center of lower fixed plate










 
 
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