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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS53137073
Kind Code:
U
Application Number:
JP4148977U
Publication Date:
October 30, 1978
Filing Date:
April 02, 1977
Export Citation:
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International Classes:
A01F12/52; A01F12/00; A01F12/10; A01F12/44; A01F12/56; (IPC1-7): A01F12/00; A01F12/44; A01F12/52; A01F12/56
Domestic Patent References:
JPS385763Y1