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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5010454
Kind Code:
Y1
Application Number:
JP11213868U
Publication Date:
April 02, 1975
Filing Date:
December 24, 1968
Export Citation:
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International Classes:
E04B1/86; C30B15/30; H01L21/208; (IPC1-7): B01J17/18



 
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