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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS56136800
Kind Code:
U
Application Number:
JP3634680U
Publication Date:
October 16, 1981
Filing Date:
March 18, 1980
Export Citation:
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International Classes:
D06F77/00; D06F81/00; (IPC1-7): D06F81/00; D06F77/00
Domestic Patent References:
JPS4422559Y11969-09-22
JPS316065Y1
JPS5650397B21981-11-28