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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52132822
Kind Code:
U
Application Number:
JP1930777U
Publication Date:
October 08, 1977
Filing Date:
February 18, 1977
Export Citation:
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International Classes:
A01C11/02; (IPC1-7): A01C11/02
Domestic Patent References:
JPS4737521U1972-12-26
JPS4814513U1973-02-17
JPS4725311U1972-11-21
JPS473691U1972-09-06



 
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