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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH04110868
Kind Code:
U
Application Number:
JP2181691U
Publication Date:
September 25, 1992
Filing Date:
March 11, 1991
Export Citation:
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International Classes:
E04D13/04; E04D13/08; E04H15/58; (IPC1-7): E04H15/58; E04D13/04; E04D13/08
Domestic Patent References:
JP1153075B