Document Type and Number:
Japanese Patent JPH0419535
Kind Code:
Y2
Application Number:
JP933986U
Publication Date:
May 01, 1992
Filing Date:
January 25, 1986
Export Citation:
International Classes:
G03B21/10; A63H33/22; G03B23/10; (IPC1-7): G03B23/10; A63H33/22; G03B21/10
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