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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03106899
Kind Code:
U
Application Number:
JP1640090U
Publication Date:
November 05, 1991
Filing Date:
February 21, 1990
Export Citation:
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International Classes:
G05D3/12; H02P8/00; H02P8/14; (IPC1-7): H02P8/00; G05D3/12; H02P8/00
Domestic Patent References:
JPS6034796B21985-08-10