Document Type and Number:
Japanese Patent JPH0228886
Kind Code:
Y2
Application Number:
JP18502581U
Publication Date:
August 02, 1990
Filing Date:
December 14, 1981
Export Citation:
International Classes:
A61B5/022; A61B5/02; F04B45/04; (IPC1-7): A61B5/022; A61B5/02; F04B45/04
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