Document Type and Number:
Japanese Patent JPS5028477
Kind Code:
B1
Application Number:
JP4683871A
Publication Date:
September 16, 1975
Filing Date:
June 29, 1971
Export Citation:
International Classes:
F16J15/16; (IPC1-7): B29C27/04; F16J15/16
Domestic Patent References:
| JP45025984A |