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Document Type and Number:
Japanese Patent JPH02137504
Kind Code:
U
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Application Number:
JP4721389U
Publication Date:
November 16, 1990
Filing Date:
April 21, 1989
Export Citation:
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International Classes:
F01M1/02; B01D35/02; F01M11/03; (IPC1-7): F01M1/02; B01D35/02; B01D35/02; F01M11/03
Domestic Patent References:
JPS387220Y1
JP53149132B
JP63138407B



 
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