Document Type and Number:
Japanese Patent JPS4930060
Kind Code:
A
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Application Number:
JP7083772A
Publication Date:
March 18, 1974
Filing Date:
July 17, 1972
Export Citation:
International Classes:
H04B3/60; G01H17/00; G08C19/00; H01F38/14
Domestic Patent References:
| JPS4510455Y1 | 1970-05-13 |