Document Type and Number:
Japanese Patent JPH01153519
Kind Code:
U
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Application Number:
JP5035988U
Publication Date:
October 23, 1989
Filing Date:
April 14, 1988
Export Citation:
International Classes:
G02C1/00; G02C3/00; (IPC1-7): G02C1/00; G02C3/00
Domestic Patent References:
JP59079827B |