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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6420733
Kind Code:
U
Application Number:
JP11600387U
Publication Date:
February 01, 1989
Filing Date:
July 28, 1987
Export Citation:
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International Classes:
B65H20/20; H01L21/68; (IPC1-7): H01L21/68; B65H20/20