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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH04500150
Kind Code:
A
More Like This:
Application Number:
JP50732190A
Publication Date:
January 09, 1992
Filing Date:
May 23, 1990
Export Citation:
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International Classes:
B63H11/04; B63H11/02; H02K31/02; H02K44/04; H02K44/08; H02K44/14; (IPC1-7): B63H11/04; H02K44/08; H02K44/14
Domestic Patent References:
JPS6380759A
Foreign References:
US2905089A
US3030888A