Document Type and Number:
Japanese Patent JPS5436121
Kind Code:
U
Application Number:
JP11049877U
Publication Date:
March 09, 1979
Filing Date:
August 17, 1977
Export Citation:
International Classes:
F16L21/08; (IPC1-7): F16L21/08
Domestic Patent References:
JPS4415176Y1 | 1969-06-30 | |||
JPS4817550A | ||||
JPS5292216A | 1977-08-03 | |||
JPS50127424A | 1975-10-07 |