Document Type and Number:
Japanese Patent JPH03107569
Kind Code:
U
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Application Number:
JP1724890U
Publication Date:
November 06, 1991
Filing Date:
February 22, 1990
Export Citation:
International Classes:
F16J15/32; (IPC1-7): F16J15/32
Domestic Patent References:
JPS62106066U | 1987-07-07 | |||
JPS5015356U | 1975-02-18 | |||
JPS62158255U | 1987-10-07 |