Document Type and Number:
Japanese Patent JPS5072922
Kind Code:
A
Application Number:
JP12108773A
Publication Date:
June 16, 1975
Filing Date:
October 27, 1973
Export Citation:
International Classes:
C04B40/00; B28B1/52; B28B5/02; B32B13/12; B32B13/14; C04B41/60; C04B41/65; (IPC1-7): B28B5/02; B32B13/12
Domestic Patent References:
| JPS4411109Y1 | 1969-05-07 | |||
| JP44022196A | ||||
| JPS4816691A |