Document Type and Number:
Japanese Patent JPH0411903
Kind Code:
U
Application Number:
JP5259690U
Publication Date:
January 30, 1992
Filing Date:
May 22, 1990
Export Citation:
International Classes:
F15B9/09; G05D3/00; G05D3/12; (IPC1-7): F15B9/09; G05D3/00; G05D3/12
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