Document Type and Number:
Japanese Patent JPS4911469
Kind Code:
Y1
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Application Number:
JP2665769U
Publication Date:
March 19, 1974
Filing Date:
March 27, 1969
Export Citation:
International Classes:
F16K1/20; F16K1/22; F16K31/36; (IPC1-7): F16K1/22; F16K31/36