Document Type and Number:
Japanese Patent JPS5647052
Kind Code:
U
Application Number:
JP12898979U
Publication Date:
April 27, 1981
Filing Date:
September 17, 1979
Export Citation:
International Classes:
E04H1/02; E04B1/00; E04B1/02; E04H1/12; E04H7/26; E04H7/28; E04H9/00; (IPC1-7): E04H7/26; E04B1/00; E04H1/12
Domestic Patent References:
| JPS254885Y1 | ||||
| JP49114717B |
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