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Document Type and Number:
Japanese Patent JPH02120489
Kind Code:
U
Application Number:
JP2863589U
Publication Date:
September 28, 1990
Filing Date:
March 14, 1989
Export Citation:
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International Classes:
E01B25/22; B61J1/10; B66C7/12; (IPC1-7): B66C7/12; B61J1/10; E01B25/22



 
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