Document Type and Number:
Japanese Patent JPH0354235
Kind Code:
Y2
Application Number:
JP19968985U
Publication Date:
November 28, 1991
Filing Date:
December 27, 1985
Export Citation:
International Classes:
E21D9/12; F04D3/02; (IPC1-7): E21D9/12
Next Patent: JPH0354236