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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4816119
Kind Code:
Y1
Application Number:
JP9055467U
Publication Date:
May 08, 1973
Filing Date:
October 25, 1967
Export Citation:
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International Classes:
C01B7/01; C23G1/36; (IPC1-7): C01B7/08; B01J1/00; C23G1/36