Document Type and Number:
Japanese Patent JPS50158399
Kind Code:
U
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Application Number:
JP7034074U
Publication Date:
December 27, 1975
Filing Date:
June 18, 1974
Export Citation:
International Classes:
E04F11/02; A62B1/20; A62B3/00; (IPC1-7): A62B3/00; E04F11/02
Domestic Patent References:
| JPS5021920U | 1975-03-12 |