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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57187881
Kind Code:
U
Application Number:
JP7547981U
Publication Date:
November 29, 1982
Filing Date:
May 25, 1981
Export Citation:
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International Classes:
E03F3/04; B28B23/02; (IPC1-7): E03F3/04; B28B23/02