Document Type and Number:
Japanese Patent JPS4885821
Kind Code:
A
Application Number:
JP1670572A
Publication Date:
November 13, 1973
Filing Date:
February 16, 1972
Export Citation:
International Classes:
B31C3/00
Domestic Patent References:
| JPS4314740Y1 | 1968-06-21 | |||
| JPS4030227Y1 | 1965-10-22 |