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Document Type and Number:
Japanese Patent JPS62161754
Kind Code:
U
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Application Number:
JP5000886U
Publication Date:
October 14, 1987
Filing Date:
April 02, 1986
Export Citation:
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International Classes:
H01J31/15; H01J29/04; H01J29/06; (IPC1-7): H01J31/15



 
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