Document Type and Number:
Japanese Patent JPS5044507
Kind Code:
Y2
Application Number:
JP3088072U
Publication Date:
December 18, 1975
Filing Date:
March 16, 1972
Export Citation:
International Classes:
C04B40/00; B28B1/08; B28B1/087; B28B13/00; B28B15/00; (IPC1-7): B28B13/00