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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0461852
Kind Code:
U
Application Number:
JP10511890U
Publication Date:
May 27, 1992
Filing Date:
October 04, 1990
Export Citation:
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International Classes:
G01J1/02; H01J40/04; (IPC1-7): H01J40/04; G01J1/02