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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS644204
Kind Code:
Y2
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JPS5315569DEVICE FOR DETECTING VACUUM OF VACUUM SWITCHING TUBE
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Application Number:
JP8367381U
Publication Date:
February 03, 1989
Filing Date:
June 06, 1981
Export Citation:
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International Classes:
G01L21/00; H01H33/66; (IPC1-7): H01H33/66



 
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