Document Type and Number:
Japanese Patent JPS5351250
Kind Code:
Y2
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JP3090507 | [Name of device] Structure of strength-enhancing ball |
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Application Number:
JP10599375U
Publication Date:
December 07, 1978
Filing Date:
July 30, 1975
Export Citation:
International Classes:
A63B23/00; A63B26/00; A63B71/00; (IPC1-7): A63B71/00; A63B23/00