Document Type and Number:
Japanese Patent JPS52139420
Kind Code:
U
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Application Number:
JP4855176U
Publication Date:
October 22, 1977
Filing Date:
April 16, 1976
Export Citation:
International Classes:
F16J13/10; F16J13/00; (IPC1-7): F16J13/00
Domestic Patent References:
JPS5042289U | 1975-04-28 |