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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS48111140
Kind Code:
U
Application Number:
JP3502972U
Publication Date:
December 20, 1973
Filing Date:
March 27, 1972
Export Citation:
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International Classes:
G03D3/04; B06B1/00; (IPC1-7): G03D3/04; B06B1/00



 
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