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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5255910
Kind Code:
U
Application Number:
JP13999075U
Publication Date:
April 22, 1977
Filing Date:
October 16, 1975
Export Citation:
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International Classes:
C21D1/18; C21D1/46; C21D1/62; C21D9/00; (IPC1-7): C21D1/62; C21D9/00
Domestic Patent References:
JPS4916658U1974-02-12