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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50137004
Kind Code:
U
More Like This:
Application Number:
JP4723374U
Publication Date:
November 12, 1975
Filing Date:
April 25, 1974
Export Citation:
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International Classes:
G03B31/06; G03B31/00; G11B7/24094; G11B7/24097; (IPC1-7): G11B7/24; G03B31/00
Domestic Patent References:
JPS3827321Y1
JPS4516222Y11970-07-06
Foreign References:
US3599549A1971-08-17
US3282154A1966-11-01



 
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