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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS53106743
Kind Code:
U
Application Number:
JP1053077U
Publication Date:
August 28, 1978
Filing Date:
February 02, 1977
Export Citation:
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International Classes:
B21B37/32; B21B37/00; B21B37/78; (IPC1-7): B21B37/00