Document Type and Number:
Japanese Patent JPH02112984
Kind Code:
U
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Application Number:
JP2122989U
Publication Date:
September 10, 1990
Filing Date:
February 23, 1989
Export Citation:
International Classes:
B23Q11/14; F04B49/10; F15B21/04; (IPC1-7): F04B49/10; B23Q11/14; F15B21/04