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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4857425
Kind Code:
A
Application Number:
JP9021871A
Publication Date:
August 11, 1973
Filing Date:
November 11, 1971
Export Citation:
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International Classes:
E04D13/16; E04D1/30; (IPC1-7): E04D1/30



 
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