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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52131750
Kind Code:
U
Application Number:
JP3930976U
Publication Date:
October 06, 1977
Filing Date:
March 31, 1976
Export Citation:
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International Classes:
B28B1/24; B28B1/00; B28B3/22; B28B5/00; (IPC1-7): B28B1/00; B28B5/00
Domestic Patent References:
JP45023803A