Document Type and Number:
Japanese Patent JPS5223770
Kind Code:
U
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Application Number:
JP11015875U
Publication Date:
February 19, 1977
Filing Date:
August 09, 1975
Export Citation:
International Classes:
B03C3/40; B03C3/12; B03C3/34; B03C3/45; (IPC1-7): B03C3/34