Document Type and Number:
Japanese Patent JPS5227420
Kind Code:
Y2
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Application Number:
JP3788971U
Publication Date:
June 22, 1977
Filing Date:
May 12, 1971
Export Citation:
International Classes:
B01D39/00; B01D39/10; B07B1/46; B21D31/02; B21D47/00; (IPC1-7): B01D39/10; B21D31/02