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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50136030
Kind Code:
A
Application Number:
JP4127474A
Publication Date:
October 28, 1975
Filing Date:
April 10, 1974
Export Citation:
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International Classes:
G03B17/00; G03B1/00; G03B31/00; G03B31/04; (IPC1-7): G03B1/00; G03B31/00; G03B31/04
Domestic Patent References:
JP41012588A
JPS4820001U1973-03-07
JPS5226688A1977-02-28
JPS4941273A1974-04-18



 
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