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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5057220
Kind Code:
U
Application Number:
JP11122573U
Publication Date:
May 29, 1975
Filing Date:
September 22, 1973
Export Citation:
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International Classes:
E04D3/00; E04D13/02; (IPC1-7): E04D13/02



 
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