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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5211039
Kind Code:
B1
Application Number:
JP2176970A
Publication Date:
March 28, 1977
Filing Date:
March 13, 1970
Export Citation:
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International Classes:
H01C7/02; C04B35/46; H01C7/06; (IPC1-7): H01C7/06