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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5110830
Kind Code:
Y1
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Application Number:
JP10781370U
Publication Date:
March 24, 1976
Filing Date:
October 30, 1970
Export Citation:
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International Classes:
G09B17/00; A63H33/38; G09B1/00; G09B19/00; (IPC1-7): G09B1/00; G09B19/00
Domestic Patent References:
JPS4721405U1972-11-10
JP13001043Y1
JP13004108Y1
JPS331216Y1
Foreign References:
US2839843A1958-06-24



 
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