Document Type and Number:
Japanese Patent JPS5038892
Kind Code:
B1
Application Number:
JP6685169A
Publication Date:
December 12, 1975
Filing Date:
August 26, 1969
Export Citation:
International Classes:
F16L13/10; C09J5/00; C09J5/06; E04B1/41; (IPC1-7): E04B1/60; C09J5/00
Domestic Patent References:
| JPS3816139Y1 |
Foreign References:
| US3157097A | 1964-11-17 |