Document Type and Number:
Japanese Patent JPS5440979
Kind Code:
U
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Application Number:
JP11457377U
Publication Date:
March 19, 1979
Filing Date:
August 29, 1977
Export Citation:
International Classes:
B01D59/20; B04B9/02; B04B9/10; (IPC1-7): B01D59/20; B04B9/02