Title:
【考案の名称】2重管用ロータリジヨイント
Document Type and Number:
Japanese Patent JPH04119690
Kind Code:
U
Inventors:
Morimoto Katsumi
Application Number:
JP3351891U
Publication Date:
October 26, 1992
Filing Date:
April 12, 1991
Export Citation:
International Classes:
F16L39/04; (IPC1-7): F16L39/04
Domestic Patent References:
| JPS5340501U | 1978-04-08 |