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Patent Searching and Data

Document Type and Number:
Japanese Patent JPH0446454
Kind Code:
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Publication Date:
October 30, 1992
Filing Date:
May 21, 1987
Export Citation:
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International Classes:
E05B17/22; E05B19/00; E05B45/00; E05B45/06; G08B13/00; (IPC1-7): E05B45/06; E05B19/00; G08B13/00