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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0451519
Kind Code:
U
Application Number:
JP9304790U
Publication Date:
April 30, 1992
Filing Date:
September 03, 1990
Export Citation:
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International Classes:
E04D13/03; E04B7/18; F16S3/00; (IPC1-7): E04D13/03; E04B7/18; F16S3/00
Domestic Patent References:
JP61108729B