Document Type and Number:
Japanese Patent JPS4872402
Kind Code:
A
Application Number:
JP220672A
Publication Date:
September 29, 1973
Filing Date:
December 28, 1971
Export Citation:
International Classes:
D21F2/00; D21F1/00; D21F9/02
Domestic Patent References:
| JP45015205A | ||||
| JP41005811A |