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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5292030
Kind Code:
U
Application Number:
JP16123575U
Publication Date:
July 09, 1977
Filing Date:
November 27, 1975
Export Citation:
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International Classes:
E04F21/04; (IPC1-7): E04F21/04
Domestic Patent References:
JPS3924969Y1