Document Type and Number:
Japanese Patent JPH03111731
Kind Code:
U
Application Number:
JP2028690U
Publication Date:
November 15, 1991
Filing Date:
February 27, 1990
Export Citation:
International Classes:
E04F15/024; E04F15/18; H02G3/30; (IPC1-7): E04F15/024; E04F15/18; H02G3/26
Domestic Patent References:
| JP2064637B | ||||
| JP62180131B |
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