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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5256618
Kind Code:
U
Application Number:
JP14463075U
Publication Date:
April 23, 1977
Filing Date:
October 23, 1975
Export Citation:
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International Classes:
E04D13/08; E04D13/072; (IPC1-7): E04D13/06
Domestic Patent References:
JPS4726218U1972-11-24