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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5274339
Kind Code:
U
Application Number:
JP16017075U
Publication Date:
June 03, 1977
Filing Date:
November 28, 1975
Export Citation:
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International Classes:
B24D13/02; B21D31/00; B21D39/04; B24D13/10; F04B39/12; (IPC1-7): B21D39/04; B21D31/00; B24D13/10; F04B39/12
Domestic Patent References:
JPS4015399Y1