Title:
APPARATUS FOR PRODUCING SQUARE PAPER PIPE
Document Type and Number:
Japanese Patent JPS5463423
Kind Code:
A
Inventors:
YAMADA CHIZUO
Application Number:
JP12995977A
Publication Date:
May 22, 1979
Filing Date:
October 28, 1977
Export Citation:
Assignee:
YAMADA CHIZUO
International Classes:
B31C3/00; (IPC1-7): B31C3/00
Domestic Patent References:
| JPS5082619A | 1975-07-04 |
Foreign References:
| US2982068A | 1961-05-02 |