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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0331822
Kind Code:
U
Application Number:
JP9259189U
Publication Date:
March 28, 1991
Filing Date:
August 08, 1989
Export Citation:
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International Classes:
A01D34/68; A01D34/76; A01D34/80; F03B13/00; (IPC1-7): A01D34/68; A01D34/76; A01D34/80; F03B13/00
Domestic Patent References:
JPS562425A1981-01-12
JPS62128725U1987-08-14