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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4811010
Kind Code:
U
Application Number:
JP5273071U
Publication Date:
February 07, 1973
Filing Date:
June 19, 1971
Export Citation:
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International Classes:
C23C8/22; C21D1/74; C21D1/76; (IPC1-7): C23C11/10; C21D1/74



 
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