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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5254461
Kind Code:
U
Application Number:
JP14133475U
Publication Date:
April 19, 1977
Filing Date:
October 16, 1975
Export Citation:
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International Classes:
A01F7/00; A01F12/00; B60P3/00; B62B3/10; (IPC1-7): A01F7/00; A01F12/00; B60P3/00
Domestic Patent References:
JPS493336A1974-01-12
JPS33715Y1
JPS4312456Y11968-05-28
JPS4728569U1972-12-01
JPS4526413Y11970-10-15
JPS3112925Y1
JPS4912732U1974-02-02
JPS4995372U1974-08-16
JPS5026066U1975-03-25
JPS5314605U1978-02-07
JPS4124566Y11966-12-15
JPS4844107U1973-06-08
JPS508865U1975-01-29
JP43027014U
Foreign References:
US2815980A1957-12-10



 
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