Document Type and Number:
Japanese Patent JPH0452704
Kind Code:
Y2
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Application Number:
JP17249086U
Publication Date:
December 10, 1992
Filing Date:
November 10, 1986
Export Citation:
International Classes:
G01V7/04; G01V7/00; (IPC1-7): G01V7/00
Next Patent: JPH0452705