Title:
MANUFACTURING METHOD OF HERICALLY ROLLED COMPOUND PAPER PIPE
Document Type and Number:
Japanese Patent JPS534216
Kind Code:
A
Inventors:
YASUDA JIYUNICHI
Application Number:
JP7770976A
Publication Date:
January 14, 1978
Filing Date:
July 02, 1976
Export Citation:
Assignee:
OJI YUKA GOSEISHI HANBAI KK
International Classes:
B31C3/00; (IPC1-7): B31C3/00
Next Patent: TORQUE DETECTING APPARATUS