Document Type and Number:
Japanese Patent JPS5270132
Kind Code:
U
Application Number:
JP15702575U
Publication Date:
May 25, 1977
Filing Date:
November 18, 1975
Export Citation:
International Classes:
F16L13/08; B23K1/14; B23K1/18; (IPC1-7): B23K1/14; F16L13/08
Domestic Patent References:
| JP43010216A | ||||
| JPS49123953A | 1974-11-27 |
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