Document Type and Number:
Japanese Patent JPS52154917
Kind Code:
U
Application Number:
JP6460576U
Publication Date:
November 24, 1977
Filing Date:
May 19, 1976
Export Citation:
International Classes:
E04D3/40; E04D1/30; (IPC1-7): E04D3/40
Domestic Patent References:
| JP51050814B | ||||
| JP51053725B |
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