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Patent Searching and Data

Document Type and Number:
Japanese Patent JPS62162258
Kind Code:
Application Number:
Publication Date:
October 15, 1987
Filing Date:
April 07, 1986
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International Classes:
G02C5/00; C23C14/06; C23C16/32; C23C30/00; G04B37/22; (IPC1-7): C23C30/00; C23C14/06; C23C16/32; G02C5/00; G04B37/22

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