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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4922520
Kind Code:
A
More Like This:
JP5047610Methods and devices for safely disconnecting electric drive devices such as frequency-controlled three-phase crane motors
Application Number:
JP5768672A
Publication Date:
February 28, 1974
Filing Date:
June 27, 1972
Export Citation:
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International Classes:
H02P3/18; H02P23/00; H02P25/10



 
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