Title:
CUSHION BODY HAVING DIFFERENT SURFACE HARDNESS AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPS57196917
Kind Code:
A
Inventors:
YAMADA SHINJI
Application Number:
JP8289381A
Publication Date:
December 03, 1982
Filing Date:
May 29, 1981
Export Citation:
Assignee:
INOUE MTP KK
International Classes:
F16F1/37; A47C7/18; B29C39/00; B29C39/10; F16F1/36; (IPC1-7): A47C7/18; B29D27/04; F16F1/37
Domestic Patent References:
| JPS5422467A | 1979-02-20 |